Data Stage

-------------------------------------------------------------------------------------------DataStage Interview Questions - 320 -------------------------------------------------------------------------------------------1. Dimension Modelling types along with their significance Subscribe Data Modelling is Broadly classified into 2 types. a) E-R Diagrams (Entity - Rel atioships). b) Dimensional Modelling. Latest Answer: Data Modeling1) E-R Diagrams2) Dimensional modeling 2.a) logical modeling 2.b)Physical mode... Last Updated By RamaPrasad Batchu on December 19 , 2005 2.

What is the flow of loading data into fact & dimensional tables?

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Fact table - Table with Collection of Foreign Keys corresponding to the Primary Keys in Dimensional table. Consists of fields with numeric values. Dimension tab le - Table with Unique Primary Key. Loa Latest Answer: Here is the sequence of loading a datawarehouse.1. The source dat a is first loading into the staging... Last Updated By srinivas vuligonda on J anuary 13, 2006 3. Orchestrate Vs Datastage Parallel Extender? Subscribe Orchestrate itself is an ETL tool with extensive parallel processing capabilitie s and running on UNIX platform. Datastage used Orchestrate with Datastage XE (Be ta version of 6.0) to incorporate the p 4. Differentiate Primary Key and Partition Key? Subscribe Primary Key is a combination of unique and not null. It can be a collection of k ey values called as composite primary key. Partition Key is a just a part of Pri mary Key. There are several methods of Latest Answer: Hi:Primary key is the key we define on the table column or set of columns(composite pk) to make sure... Last Updated By hanug on May 06, 2007 5. How do you execute datastage job from command line prompt? Subscribe Using "dsjob" command as follows. dsjob -run -jobstatus projectname jobname Latest Answer: u can use dsjob executable command from unix or command line.The previous post was correct.Hanu.... Last Updated By hanug on May 06, 2007 6. What are Stage Variables, Derivations and Constants? Subscribe Stage Variable - An intermediate processing variable that retains value during r ead and doesnt pass the value into target column. Derivation - Expression that s pecifies value to be passed on to the t Latest Answer: Hi:I dont think so previous posts are correct.The correct order i s :1. stage variable2. derivation3.... Last Updated By hanug on May 06, 2007 7. What is the default cache size? How do you change the cache size if needed? Subscribe Default cache size is 256 MB. We can incraese it by going into Datastage Adminis trator and selecting the Tunable Tab and specify the cache size over there. Latest Answer: default size is 128mb and we can change cache size in job propert ies for particular job and by going... Last Updated By harshita on March 29, 2 007

8. Containers : Usage and Types? Subscribe Container is a collection of stages used for the purpose of Reusability. There a re 2 types of Containers. a) Local Container: Job Specific b) Shared Container: Used in any job within a project. Latest Answer: Container is a collection of stages used for the purpose of Reusa bility. There are 2 types of Contai... Last Updated By jagan nimmagadda on Jan uary 10, 2006 9. Compare and Contrast ODBC and Plug-In stages? Subscribe ODBC : a) Poor Performance. b) Can be used for Variety of Databases. c) Can hand le Stored Procedures. Plug-In: a) Good Performance. b) Database specific.(Only o ne database) c) Cannot handle Stored Pr 10.

How to run a Shell Script within the scope of a Data stage job?

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By using "ExcecSH" command at Before/After job properties. Latest Answer: Hi:Go to Job properties and choose Before or after job routine an d choose execute shell.Hanu.... Last Updated By hanug on May 06, 2007 ------------------------------------------------------------------------------11. Types of Parallel Processing? Subscribe Parallel Processing is broadly classified into 2 types. a) SMP - Symmetrical Mul ti Processing. b) MPP - Massive Parallel Processing. Latest Answer: Hardware wise there are 3 types of parallel processing systems avai lable:1. SMP (symetric multipro... Last Updated By Gary on May 07, 2007 12. What does a Config File in parallel extender consist of? Subscribe Config file consists of the following. a) Number of Processes or Nodes. b) Actua l Disk Storage Location. Latest Answer: Config file was read by datastage engine before running the job i n Px.it consist of configuration ab... Last Updated By Sivarao on May 15, 2006

13. Functionality of Link Partitioner and Link Collector? Subscribe Link Partitioner : It actually splits data into various partitions or data flows using various partition methods . Link Collector : It collects the data coming from partitions, merges it into a singl Latest Answer: server jobs mainly execute the jobs in sequential fashion,the ipc stage as well as link partioner an... Last Updated By jagan nimmagadda on 14. What is Modulus and Splitting in Dynamic Hashed File? Subscribe In a Hashed File, the size of the file keeps changing randomly. If the size of t he file increases it is called as "Modulus". If the size of the file decreases i t is called as "Splitting Latest Answer: The modulus size can be increased by contacting your Unix Admin.. .. Last Updated By Milestones on September 22, 2005 15. Types of vies in Datastage Director? Subscribe There are 3 types of views in Datastage Director a) Job View - Dates of Jobs Com piled. b) Log View - Status of Job last run c) Status View - Warning Messages, E vent Messages, Program Generated Messag Latest Answer: There are four views in Director. Job view is not one of them...

8. Containers : Usage and Types? Subscribe Container is a collection of stages used for the purpose of Reusability. There a re 2 types of Containers. a) Local Container: Job Specific b) Shared Container: Used in any job within a project. Latest Answer: Container is a collection of stages used for the purpose of Reusa bility. There are 2 types of Contai... Last Updated By jagan nimmagadda on Jan uary 10, 2006 9. Compare and Contrast ODBC and Plug-In stages? Subscribe ODBC : a) Poor Performance. b) Can be used for Variety of Databases. c) Can hand le Stored Procedures. Plug-In: a) Good Performance. b) Database specific.(Only o ne database) c) Cannot handle Stored Pr 10.

How to run a Shell Script within the scope of a Data stage job?

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By using "ExcecSH" command at Before/After job properties. Latest Answer: Hi:Go to Job properties and choose Before or after job routine an d choose execute shell.Hanu.... Last Updated By hanug on May 06, 2007 ------------------------------------------------------------------------------11. Types of Parallel Processing? Subscribe Parallel Processing is broadly classified into 2 types. a) SMP - Symmetrical Mul ti Processing. b) MPP - Massive Parallel Processing. Latest Answer: Hardware wise there are 3 types of parallel processing systems avai lable:1. SMP (symetric multipro... Last Updated By Gary on May 07, 2007 12. What does a Config File in parallel extender consist of? Subscribe Config file consists of the following. a) Number of Processes or Nodes. b) Actua l Disk Storage Location. Latest Answer: Config file was read by datastage engine before running the job i n Px.it consist of configuration ab... Last Updated By Sivarao on May 15, 2006

13. Functionality of Link Partitioner and Link Collector? Subscribe Link Partitioner : It actually splits data into various partitions or data flows using various partition methods . Link Collector : It collects the data coming from partitions, merges it into a singl Latest Answer: server jobs mainly execute the jobs in sequential fashion,the ipc stage as well as link partioner an... Last Updated By jagan nimmagadda on 14. What is Modulus and Splitting in Dynamic Hashed File? Subscribe In a Hashed File, the size of the file keeps changing randomly. If the size of t he file increases it is called as "Modulus". If the size of the file decreases i t is called as "Splitting Latest Answer: The modulus size can be increased by contacting your Unix Admin.. .. Last Updated By Milestones on September 22, 2005 15. Types of vies in Datastage Director? Subscribe There are 3 types of views in Datastage Director a) Job View - Dates of Jobs Com piled. b) Log View - Status of Job last run c) Status View - Warning Messages, E vent Messages, Program Generated Messag Latest Answer: There are four views in Director. Job view is not one of them...

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July 27, 2006

16. Differentiate Database data and Data warehouse data? Subscribe Data in a Database is a) Detailed or Transactional b) Both Readable and Writable . c) Current. Latest Answer: Database data is in the form of OLTP and Data warehouse data will be in the form of OLAP. OLTP is fo... Last Updated By bhargava on May 01, 200 7 17. What are the difficulties faced in using DataStage ? or what are the constr aints in using DataStage What are the difficulties faced in using DataStage ? or what are the constraints in using DataStage ? Subscribe 18. What r XML files and how do you read data from XML files and what stage to be used? Subscribe Latest Answer: First, u can use XML metadata importer to import the XML source d efinition.Once it is done. U c... Last Updated By hanug on May 06, 2007 19.

How do you catch bad rows from OCI stage? Subscribe

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Why do you use SQL LOADER or OCI STAGE? Subscribe

Latest Answer: Data Will transfer very quickly to the Data Warehouse by using SQ L Loader.... Last Updated By vijay on March 20, 2006 -------------------------------------------------------------------------------21. Suppose if there are million records did you use OCI? if not then what sta ge do you prefer? Subscribe Latest Answer: using Orabulk... Last Updated By narsimhulu.D 22.

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September 11,

How do you populate source files? Subscribe

Latest Answer: It seems, the question is not quite right.Can you please explain what do you mean by populate "... Last Updated By hanug on May 06, 2007 23. How do you pass the parameter to the job sequence if the job is running at night? Subscribe Latest Answer: You can insert the parameter values in a table and read them when the package runs using O... Last Updated By gagan8877 on May 08, 2007 24.

What happens if the job fails at night? Subscribe

Latest Answer: U can define a job sequence to send an email using SMTP activity if the job fails. Or log the failur... Last Updated By gagan8877 on May 08, 20 07 25.

What is SQL tuning? how do you do it ?

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Latest Answer: sql tunning how to per form thisin sql-server... through query an alyser is needed and explain brief ... Last Updated By vinoth kumar on Decembe r 18, 2006 26.

What is project life cycle and how do you implement it? Subscribe

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How do you track performance statistics and enhance it? Subscribe

Latest Answer: Through Monitor we can view the performance statistics.... Last U pdated By J D Prasad Malneedi on September 29, 2005 28. How do you do oracle 4 way inner join if there are 4 oracle input files? Su bscribe Latest Answer: The Question asked incorrectly.there wont be any Oracle file. It is Oracle table or view object.I ne... Last Updated By hanug on May 06, 2007

29. What is the order of execution done internally in the transformer with the stage editor having inpu What is the order of execution done internally in the transformer with the stage editor having input links on the lft hand side and output links? Subscribe 30. Explain your last project and your role in it.? ------------------------------------------------------------------------------31. What are the often used Stages or stages you worked with in your last proje ct? Subscribe A) Transformer, ORAOCI8/9, ODBC, Link-Partitioner, Link-Collector, Hash, ODBC, A ggregator, Sort.

32. How many jobs have you created in your last project? Subscribe 100+ jobs for every 6 months if you are in Development, if you are in testing 40 jobs for every 6 months although it need not be the same number for everybody Latest Answer: - I don't think these are the right numbers. Someone creating 100 + jobs in 6 months !! If you do the... Last Updated By Anjan Roy on September 15, 33. Tell me the environment in your last projects Subscribe Give the OS of the Server and the OS of the Client of your recent most project Latest Answer: server is unix and client machine i.e is ur machine where u desig n a job is windows xp professional... Last Updated By rcp on October 13, 2005

34. Did you Parameterize the job or hard-coded the values in the jobs? Subscrib e Always parameterized the job. Either the values are coming from Job Properties o r from a Parameter Manager  a third part tool. There is no way you will hardcode som e parameters in your jobs. The o

Latest Answer: hi please send me some real time questions in datastage for inter view.i have interview on sunday for... Last Updated By umapathy on March 24, 2 006 35. Have you ever involved in updating the DS versions like DS 5.X, if so tell us some the steps you ha Have you ever involved in updating the DS versions like DS 5.X, if so tell us so me the steps you have taken in doing so? Subscribe Yes. The following are some of the steps; I have taken in doing so:1) Definitely take a back up of the whole project(s) by exporting the project as a .dsx file2 ) See that you are using the same parent 36. What is Hash file stage and what is it used for? Subscribe Used for Look-ups. It is like a reference table. It is also used in-place of ODB C, OCI tables for better performance. Latest Answer: We can also use the Hash File stage to avoid / remove dupilcate r owsby specifying the hash key on a... Last Updated By RamaPrasad Batchu on Mar ch 08, 2006 37. What are Static Hash files and Dynamic Hash files? Subscribe As the names itself suggest what they mean. In general we use Type-30 dynamic Ha sh files. The Data file has a default size of 2Gb and the overflow file is used if the data exceeds the 2GB size. Latest Answer: Dynamic Hash Files can automatically adjust their sie - modulous (no. of groups) and separation (gro... Last Updated By gagan8877 on May 08, 20 07 38. What versions of DS you worked with? DS 7.0.2/6.0/5.2

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39. What other ETL's you have worked with? Subscribe Informatica and also DataJunction if it is present in your Resume. Latest Answer: ab-initiodatasatge EE parllel editionoracle -Etlthere are 7 ETL i n market ! ... Last Updated By cndraa on December 09, 2005 40. Did you work in UNIX environment? Subscribe Yes. One of the most important requirements. Latest Answer: some times u need to write unix progrms in back round !like batch progms ! bcz data stage can invoke... Last Updated By cndraa on December 09, 2005 -------------------------------------------------------------------------------41. How good are you with your PL/SQL? Subscribe On the scale of 1-10 say 8.5-9 Latest Answer: u will not be writtinf pl/sql in datastage ! sql knowledge is eno ugh ...... Last Updated By cndraa on January 31, 2006 42.

Explain the differences between Oracle8i/9i?

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Latest Answer: Oracle 8i does not support pseudo column sysdate but 9i supportsO racle 8i we can create 256 columns ... Last Updated By Gnaneshwar on April 09, 2007

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Do you know about INTEGRITY/QUALITY stage?

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Latest Answer: Qulaity Stage can be integrated with DataStage, In Quality Stage we have many stages like investigat... Last Updated By suganyasug on April 18, 2007 44.

Do u know about METASTAGE? Subscribe

Latest Answer: MetaStage is a persistent metadata Directory that uniquely synchr onizesmetadata across multiple sepa... Last Updated By spartankiya on February 19, 2007 45. How did u connect to DB2 in your last project? Subscribe Using DB2 ODBC drivers. Latest Answer: The following stages can connect to DB2 Database:ODBCDB2 Plug-in StageDynamic Relational Stage... Last Updated By gagan8877 on May 08, 2007

46. What are OConv () and Iconv () functions and where are they used? Subscri be IConv() - Converts a string to an internal storage formatOConv() - Converts an e xpression to an output format. Latest Answer: iconv is used to convert the date into into internal format i.e o nly datastage can understand exampl... Last Updated By cndraa on January 30, 2 006 47. What are Routines and where/how are they written and have you written any r outines before? &nb What are Routines and where/how are they written and have you written any routin es before? Subscribe Routines are stored in the Routines branch of the DataStage Repository, where yo u can create, view or edit. The following are different types of routines: 1) Transform functions 48. If worked with DS6.0 and latest versions what are Link-Partitioner and Link -Collector used for? Subscribe Link Partitioner - Used for partitioning the data.Link Collector - Used for coll ecting the partitioned data. 49. How did you handle reject data? Subscribe Typically a Reject-link is defined and the rejected data is loaded back into dat a warehouse. So Reject link has to be defined every Output link you wish to coll ect rejected data. Rejected data is typi Latest Answer: we can handle rejected data by collecting them seperately in sequ ential file......... Last Updated By sunilsavalasang on October 18, 2006 50. What are other Performance tunings you have done in your last project to in crease the performance o What are other Performance tunings you have done in your last project to increas e the performance of slowly running jobs? Subscribe Staged the data coming from ODBC/OCI/DB2UDB stages or any database on the server

using Hash/Sequential files for optimum performance also for data recovery in c ase job aborts.Tuned the OCI stage for ' ---------------------------------------------------------------------------------------51. How did you handle an 'Aborted' sequencer? Subscribe In almost all cases we have to delete the data inserted by this from DB manually and fix the job and then run the job again. 52. What are Sequencers? Subscribe Sequencers are job control programs that execute other jobs with preset Job para meters. Latest Answer: A sequencer allows you to synchronize the control flow of multipl e activities in a job sequence. It ... Last Updated By jagan nimmagadda on Jan uary 10, 2006 53. How did u connect with DB2 in your last project? Subscribe Most of the times the data was sent to us in the form of flat files. The data is dumped and sent to us. In some cases were we need to connect to DB2 for look-up s as an instance then we used ODBC drive 54. Read the String functions in DS Subscribe Functions like [] -> sub-string function and ':' -> concatenation operatorSyntax : string [ [ start, ] length ]string [ delimiter, instance, repeats ] 55. What will you in a situation where somebody wants to send you a e that file as an input What will you in a situation where somebody wants to send you a file t file as an input or reference and then run job. Subscribe A. Under Windows: Use the 'WaitForFileActivity' under the Sequencers n the job. May be you can schedule the sequencer around the time the ected to arrive.B. Under UNIX:

file and us and use tha and then ru file is exp

56. How would call an external Java function which are not supported by DataSta ge? Subscribe Starting from DS 6.0 we have the ability to call external Java functions using a Java package from Ascential. In this case we can even use the command line to i nvoke the Java function and write the re 57. What is the utility you use to schedule the jobs on a UNIX server other tha n using Ascential Direct What is the utility you use to schedule the jobs on a UNIX server other than usi ng Ascential Director? Subscribe Use crontab utility along with dsexecute() function along with proper parameters passed. 58. What are the command line functions that import and export the DS jobs? Su bscribe A. dsimport.exe- imports the DataStage components.B. dsexport.exe- exports the D ataStage components. Latest Answer: Parameters: UserName,Password, Hostname, ProjectName,CurrentDirec tory(C:/Ascential/DataStage7.5.1/ds... Last Updated By Pd on September 22, 200 6

59. How will you determine the sequence of jobs to load into data warehouse? S ubscribe First we execute the jobs that load the data into Dimension tables, then Fact ta bles, then load the Aggregator tables (if any). 60. The above might rise another question: Why do we have to load the dimension al tables first, then fa The above might rise another question: Why do we have to load the dimensional ta bles first, then fact tables: Subscribe As we load the dimensional tables the keys (primary) are generated and these key s (primary) are Foreign keys in Fact tables. -------------------------------------------------------------------------------------61. Tell me one situation from your last project, where you had faced problem a nd How did u solve it? Subscribe A. The jobs in which data is read directly from OCI stages are running extremely slow. I had to stage the data before sending to the transformer to make the job s run faster.B. The job aborts

62. Does the selection of 'Clear the table and Insert rows' in the ODBC stage s end a Truncate Does the selection of 'Clear the table and Insert rows' in the ODBC stage send a Truncate statement to the DB or does it do some kind of Delete logic. Subscri be There is no TRUNCATE on ODBC stages. It is Clear table blah blah and that is a d elete from statement. On an OCI stage such as Oracle, you do have both Clear and Truncate options. They are radically di

63. How do you rename all of the jobs to support your new File-naming conventio ns? Subscribe Create a Excel spreadsheet with new and old names. Export the whole project as a dsx. Write a Perl program, which can do a simple rename of the strings looking up the Excel file. Then import the new d

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Difference between Hashfile and Sequential File? Subscribe

Latest Answer: Hash file stores the data based on hash algorithm and on a key va lue. A sequential file is just a fi... Last Updated By J D Prasad Malneedi on September 29, 2005 65.

What is iconv and oconv functions? Subscribe

Latest Answer: Plz..Refer Q.227 for more information.... Last Updated By JD November 29, 2006 66.

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How can we join one Oracle source and Sequential file?. Subscribe

Latest Answer: . Join and look up used to join oracle and sequential file... Las t Updated By J D Prasad Malneedi on September 29, 2005

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How can we implement Slowly Changing Dimensions in DataStage?. Subscribe

Latest Answer: We can implement SCD in datastage 1.Type 1 SCD:insert else update in ODBC stage2.Type 2 SCD:insert n... Last Updated By suganyasug on April 18, 2007 68.

How can we implement Lookup in DataStage Server jobs? Subscribe

Latest Answer: In server canvs we can perform 2 kinds of direct lookupsOne is by using a hashed file and the other ... Last Updated By Purnima on March 30, 20 06 69.

What are all the third party tools used in DataStage? Subscribe

Latest Answer: Contl-M job schedular... Last Updated By Upul

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what is the difference between routine and transform and function? Subscrib

Latest Answer: By using Routines we can return values but by transformers we can not return values... Last Updated By suganyasug on April 18, 2007 -------------------------------------------------------------------------------------71.

what are the Job parameters? Subscribe

Latest Answer: These Parameters are used to provide Administrative access and ch ange run time values of the job.EDI... Last Updated By mallakishore on October 20, 2005 72.

How can we improve the performance of DataStage jobs? Subscribe

Latest Answer: hi,i am learnining datastage server job, but i dont have project to analyze, if u have any projects ... Last Updated By vedamurthy on February 21, 2006 73.

How can we create Containers? Subscribe

Latest Answer: hicontainers r speacial type of jobs in the datastage that will s implify the job design either in th... Last Updated By satish kumar on April 1 6, 2006 74. When should we use ODS? Subscribe DWH's are typically read only, batch updated on a scheduleODS's are maintained i n more real time, trickle fed constantly

75. Whats difference betweeen operational data stage (ODS) & data warehouse? Su bscribe

Latest Answer: An operational data store (or "ODS") is a database designed to in tegrate data from multiple sources ... Last Updated By Dharmendra on September 22, 2006 76. How to handle Date convertions in Datastage? Convert a mm/dd/yyyy format to yyyy-dd-mm? Subscribe We use a) "Iconv" function - Internal Convertion. b) "Oconv" function - External Convertion. Function to convert mm/dd/yyyy format to yyyy-dd-mm is Oconv(Iconv( Filedname,"D/M Latest Answer: we can achieve this conversion using transformer stage conversio n functions in PX.Hanu.... Last Updated By hanug on May 06, 2007 77.

How do you pass filename as the parameter for a job? Subscribe

Latest Answer: 1. Define the job parameter at the job level or Project level.2. Use the file name in the stage(sour... Last Updated By hanug on May 06, 2007

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How will you call external function or subroutine from datastage? Subscribe

Latest Answer: U can call external functions, subroutines by using Before/After stage/job Subroutines : ExecSHExecD... Last Updated By gagan8877 on May 08, 20 07 79. Dimensional modelling is again sub divided into 2 types. Subscribe a)Star Schema - Simple & Much Faster. Denormalized form. b)Snowflake Schema - Co mplex with more Granularity. More normalized form. Latest Answer: i want routine documents and userdefined code of the routine? And real time senario in datastag... Last Updated By nukaraj on October 16, 2005

80. how to create batches in Datastage from command prompt --------------------------------------------------------------------------------------------81. How do you eliminate duplicate rows? Subscribe Latest Answer: If you dont have remove duplicates stge, you can use hash file to eliminate duplicates.... Last Updated By klsrao on April 23, 2007 82.

What is DS Administrator used for - did u use it?

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Latest Answer: It is primarily used to create the Datastage project, assign the user roles to the project, set para... Last Updated By hanug on May 06, 2007

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What is DS Designer used for - did u use it?

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Latest Answer: You use the Designer to build jobs by creating a visual design th at models the flow and transformati... Last Updated By CNU on August 02, 2005

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What about System variables? Subscribe

Latest Answer: If a new system variable is added in Windows, how can we access i t in datastage?Thanks in advance... Last Updated By Ravi Kumar on March 15, 20 06 85.

How do you eliminate duplicate rows? Subscribe

Latest Answer: removal of duplicates done in two ways: 1. Use "Duplicate Data Re moval" stage or 2. ... Last Updated By Mujeebur on August 15, 2005 86. What are types of Hashed File? Subscribe Hashed File is classified broadly into 2 types. a) Static - Sub divided into 17 types based on Primary Key Pattern. b) Dynamic - sub divided into 2 types i) Generic ii Latest Answer: Hashed File is classified broadly into 2 types. a) Static - Sub divided into 17 types ba... Last Updated By prashanth on August 25, 2005 87.

What is DS Manager used for - did u use it?

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Latest Answer: It is used to view and edit the contents of datastage repository. ... Last Updated By Goutham on January 26, 2006 88.

What is DS Director used for - did u use it?

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Latest Answer: Datastage Director is GUI to monitor, run, validate & schedule da tastage server jobs. ... Last Updated By Tutu on May 11, 2006 89.

How do we do the automation of dsjobs? Subscribe

Latest Answer: We can call Datastage Batch Job from Command prompt using 'dsjob' . We can also pass all the paramete... Last Updated By Pavan on December 05, 2 005 90. How do you merge two files in DS? Subscribe Either used Copy command as a Before-job subroutine if the metadata of the 2 fil es are same or created a job to concatenate the 2 files into one if the metadata is different. Latest Answer: Use the merge plug-in stage which can merge two files based on th e defined key fields by using, INNE... Last Updated By gagan8877 on May 08, 20 07 ------------------------------------------------------------------------------------------91. what's the difference between Datastage Developers and Datastage Designers. What are the skill what's the difference between Datastage Developers and Datastage Designers. What are the skill's required for this. Subscribe

92. Importance of Surrogate Key in Data warehousing? Subscribe Surrogate Key is a Primary Key for a Dimension table. Most importance of using i t is it is independent of underlying database. i.e Surrogate Key is not affected by the changes going on with a databas Latest Answer: can uplz elobrate, how performance improves, queryprocessing... L ast Updated By vara on January 25, 2007 93. How do you fix the error "OCI has fetched truncated data" in DataStage Subs cribe Latest Answer: I have same problem and don't know what is the solution. I encoun ter this problem only for part of d... Last Updated By Lin Chen on October 17, 2006 94. what is difference between data stage and informatica Subscribe Asked by: neelu Latest Answer: Here is a very good articles on these differences... whic hhelps to get an idea.. basically it's dep... Last Updated By Jimmy on September 11, 2005 95. Could you please help me with a set of questions on Parallel Extender? Subs cribe X Asked by: aadi

96. How many places u can call Routines? Subscribe Four Places u can call (i) Transform of routine (A) Date Transformation (B) Upst ring Transformation (ii) Transform of the Before & After Subroutines(iii) XML tr ansformation(iv)Web base t Asked by: Mukesh Kumar Madhav

97. What is the Batch Program and how can generate ? Subscribe Batch programe is the programe it's generate run time to maintain by the datasta ge it self but u can easy to change own the basis of your requirement (Extractio n, Transformation,Loading) .Batch progr Asked by: Mukesh Kumar Madhav 98. Scenario based Question ........... Suppose that 4 job control by the seque ncer like (job 1, job 2, Scenario based Question ........... Suppose that 4 job control by the sequencer like (job 1, job 2, job 3, job 4 )if job 1 have 10,000 row ,after run the job on ly 5000 data has been loaded in target table remaining are not loaded and your j ob going to be aborted then.. How can short out the problem. Subscribe Suppose job sequencer synchronies or control 4 job but job 1 have problem, in th is condition should go director and check it what type of problem showing either data type problem, warning massage, job Asked by: Mukesh Kumar Madhav

99. I want to process 3 files in sequentially one by one , how can i do that. w hile processing the file I want to process 3 files in sequentially one by one , how can i do that. while processing the files it should fetch files automatically . Subscribe hi Asked by: sekhar

100. What Happens if RCP is disable ? Subscribe Asked by: sekhar Latest Answer: Runtime column propagation (RCP): If RCP is enabled for any job, and specifically for those stage wh... Last Updated By Venkata Maruthi on Nove mber 10, 2005 ----------------------------------------------------------------------------------------101. defaults nodes for datastage parallel Edition Subscribe Asked by: sekhar Latest Answer: Actually the Number of Nodes depend on the number of processors i n your system.If your system is sup... Last Updated By mallakishore on October 20, 2005 102. where does unix script of datastage executes weather in clinet machine or in server.suppose if it e where does unix script of datastage executes weather in clinet machine or in ser ver.suppose if it eexcutes on server then it will execute ? Subscribe Asked by: sekhar 103. how can we pass parameters to job by using file. Subscribe Asked by: sudhakar_geek Latest Answer: u can create a UNIX shell script which will pass the parameters t o the job and u also can create log... Last Updated By Rajshankar on April 04, 2006 104. What is ' insert for update ' in datastage Subscribe Asked by: ashish Latest Answer: Question is not clear still, i think 'insert to update' is update d value is inserted to maintain&nbs... Last Updated By Sharanu Patil on Februa ry 28, 2006 105. Hi, What are the Repository Tables in DataStage and What are they? Subscri be Asked by: Kumar Latest Answer: Dear User. A datawarehouse is a repository(centralized as well as distributed) of Data, able... Last Updated By Venkat on October 25, 2005 106. What is version Control? Subscribe Asked by: Kumar Latest Answer: Version Controlstores different versions of DS jobsruns different versions of same jobreverts to pre... Last Updated By vick on October 30, 200 5 107. what happends out put of hash file is connected to transformer ..what erro r it throughs Subscribe Asked by: blade Latest Answer: If Hash file output is connected to transformer stage the hash fi le will consider as the Lookup file... Last Updated By shameerok on March 22, 2006

108. please list out the versions of datastage Parallel , server editions and i n which year they are rea please list out the versions of datastage Parallel , server editions and in whic h year they are realised. Subscribe Asked by: rcp 109. what is merge and how it can be done plz explain with simple example takin g 2 tables ....... Subscribe Asked by: rcp Latest Answer: Merge stage in used for only Flat files in server edition... Last Updated By madan on April 29, 2006 110. How can I extract data from DB2 (on IBM iSeries) to the data warehouse via Datastage as the ETL too How can I extract data from DB2 (on IBM iSeries) to the data warehouse via Datas tage as the ETL tool. I mean do I first need to use ODBC to create connectivity and use an adapter for the extraction and transformation of data? Thanks so much if anybody could provide an answer. Subscribe ? Asked by: cy ---------------------------------------------------------------------------------------111. How can I connect my DB2 database on AS400 to DataStage? Do I need to use ODBC 1st to open the data How can I connect my DB2 database on AS400 to DataStage? Do I need to use ODBC 1 st to open the database connectivity and then use an adapter for just connecting between the two? Thanks alot of any replies. Subscribe Asked by: cy 112. what is the OCI? and how to use the ETL Tools? Subscribe OCI means orabulk data which used client having bulk data its retrive time is mu ch more ie., your used to orabulk data the divided and retrived Asked by: raman amv Latest Answer: OCI means oracle call interface i.e this acts like native tool to load oracle databaseU can just dra... Last Updated By Sharanu Patil on Februa ry 28, 2006 113. what is NLS in datastage? how we use NLS in Datastage ? what advantages in that ? at the time of in what is NLS in datastage? how we use NLS in Datastage ? what advantages in that ? at the time of installation i am not choosen that NLS option , now i want to u se that options what can i do ? to reinstall that datastage or first uninstall a nd install once again ? Subscribe Asked by: sreedhar

114. What is APT_CONFIG in datastage Subscribe Asked by: rcp Latest Answer: APT_CONFIG is just an environment variable used to idetify the *. apt file. Dont confuse that with *.... Last Updated By Raghu on December 09, 2 005 115. how we use NLS function in Datastage? what are advantages of NLS function? where we can use that on

how we use NLS function in Datastage? what are advantages of NLS function? where we can use that one? explain briefly? Subscribe Asked by: sreedhar Kancherla

116. what is merge ?and how to use merge? Subscribe merge is nothing but a filter conditions that have been used for filter conditio n Asked by: ramanamv Latest Answer: Merge stage is a processing stage, it can have any no of input li nk and only one output link. It is ... Last Updated By shameerok on March 22, 2006 117. what is difference between serverjobs & paraller jobs Subscribe Asked by: ramanamv Latest Answer: Server jobs can be run on SMP,MPP machines.Here performance is lo w i.e speed is lessParallel jobs ca... Last Updated By Sharanu Patil on Februa ry 28, 2006 118. what is DataStage Multi-byte, Single-byte file conversions in Mainframe jo bs? what is UTF 8 ? whats what is DataStage Multi-byte, Single-byte file conversions in Mainframe jobs? wh at is UTF 8 ? whats use of UTF 8 ? Subscribe Asked by: ramireddy 119. what is Data stage Multi-byte, Single-byte file conversions?how we use tha t conversions in data sta what is Data stage Multi-byte, Single-byte file conversions?how we use that conv ersions in data stage? Subscribe Asked by: ramireddy

120. How can ETL excel file to Datamart? Subscribe Asked by: perer*king Latest Answer: open the ODBC Data Source Administrator found in the controlpanel /administrative tools.under the sys... Last Updated By machaiyer on July 24, 2 006 ------------------------------------------------------------------------------------------121. what is the mean of Try to have the constraints in the 'Selection' criteri a of the jobs i what is the mean of Try to have the constraints in the 'Selection' criteria of t he jobs itself. This will eliminate the unnecessary records even getting in befo re joins are made? Subscribe Asked by: sudhakar

122. what is the meaning of the following..1)If an input file has an excessive number of rows and can be what is the meaning of the following..1)If an input file has an excessive number of rows and can be split-up then use standard 2)logic to run jobs in parallel3) Tuning should occur on a job-by-job basis. Use the power of DBMS. Subscribe Asked by: sudhakar

123. how to implement routines in data stage,have any one has any material for data stage pl send to me Subscribe pl send material for data stage Asked by: krishna Latest Answer: there are 3 kind of routines is there in Datastage.1.server routi nes which will used in server jobs.... Last Updated By Sivarao on December 28, 2005 124. what is trouble shhoting in server jobs ? what are the diff kinds of error s encountered while runni what is trouble shhoting in server jobs ? what are the diff kinds of errors enco untered while running any job? Subscribe Asked by: Ajju2005

125. how can u implement slowly changed dimensions in datastage? explain?2) can u join flat file and dat how can u implement slowly changed dimensions in datastage? explain?2) can u joi n flat file and database in datastage?how? Subscribe Asked by: ramaiah

126. How can you implement Complex Jobs in datastage Subscribe Asked by: ramaiah Latest Answer: if the job have good logic that is called as complex job.simply we can say Sce... Last Updated By arun on May 30, 2006 127. Does Enterprise Edition only add the parallel processing for better perfor mance?Are any stages/tran Does Enterprise Edition only add the parallel processing for better performance? Are any stages/transformations available in the enterprise edition only? Subscri be Asked by: stanis

128. how can you do incremental load in datastage? Subscribe Asked by: ramaiah Latest Answer: Incremental load means daily load.when ever you are selecting dat a from source, select the records w... Last Updated By Sivarao on December 27, 2005 129. If your running 4 ways parallel and you have 10 stages on the canvas, how many processes does datas If your running 4 ways parallel and you have 10 stages on the canvas, how many p rocesses does datastage create? Subscribe Asked by: vishut

130. If data is partitioned in your job on key 1 and then you aggregate on key 2, what issues could aris If data is partitioned in your job on key 1 and then you aggregate on key 2, wha t issues could arise? Subscribe

Asked by: vishut --------------------------------------------------------------------------------------131. Does the BibhudataStage Oracle plug-in better than OCI plug-in coming from DataStage? What is the Does the BibhudataStage Oracle plug-in better than OCI plug-in coming from DataS tage? What is the BibhudataStage extra functions? Subscribe Asked by: MustageemRaees 132. What is the difference between Datastage and Datastage TX? Subscribe Asked by: jalvarado Latest Answer: Its a critical question to answer, but one thing i can tell u tha t Datastage Tx is not a ETL tool &a... Last Updated By Sharanu Patil on Februa ry 28, 2006 133. what are validations you perform after creating jobs in designer.what r th e different type of error what are validations you perform after creating jobs in designer.what r the diff erent type of errors u faced during loading and how u solve them Subscribe Asked by: diwakar 134. How can I specify a filter command for processing data while defining sequ ential file output data? Subscribe Asked by: Mario Franke Latest Answer: We have some thing called as after job subroutine and Before subr outine, with then we can execute th... Last Updated By Sreedhar on January 30, 2006 135.

can we use shared container as lookup in datastage server jobs? Subscribe

Asked by: sivarao Latest Answer: Hi,I am using DataStage 7.5, Unix. we can use shared container m ore than one time in the job.T... Last Updated By Radhika on June 27, 2006 136. Hi!Can any one tell me how to extract data from more than 1 hetrogenious S ources.mean, example 1 se Hi!Can any one tell me how to extract data from more than 1 hetrogenious Sources .mean, example 1 sequenal file, Sybase , Oracle in a singale Job. Subscribe Asked by: Ranga

137. What is the exact difference betwwen Join,Merge and Lookup Stage?? Subscri be Asked by: Phantom Latest Answer: Also remember that to use Merge stage the key's field names MUS T be equal in both&n... Last Updated By Ronaldo on August 05, 2006 138. hi! .. There are three different types of user-created stages available fo r PX. What are they? Whi hi! .. There are three different types of user-created stages available for PX. What are they? Which would you use? What are the disadvantage for using each typ e? Subscribe Asked by: Hridesh

139. what is the difference between buildopts and subroutines ? Subscribe Asked by: sekr Latest Answer: buildopts generates c++ code ( oops concept)subroutine :- is norm al programe and u can call any wher... Last Updated By sekhu_da on December 22 , 2006 140. what user varibale activity when it used how it used !where it is used wit h real example Subscribe Asked by: sekr Latest Answer: By using This User variable activity we can create some variables in the job sequnce,this variables ... Last Updated By jagan nimmagadda on Mar ch 28, 2006 ---------------------------------------------------------------------------------------------141. DataStage from Staging to MDW is only running at 1 row per second! What do we do to remedy? Subscribe Asked by: John Latest Answer: Question should be more detailed. I am assuming that there are to o many stages, which is causing pro... Last Updated By Ravi on May 29, 2006

142. what is the difference between datastage and informatica Subscribe Asked by: anunath Latest Answer: I have used both Datastage and Informatica... In my opinion, Data Stage is way more powerful and scal... Last Updated By Anjan Roy on November 2 7, 2006 143. how is datastage 4.0 functionally different from the enterprise edition no w?? what are the exact ch how is datastage 4.0 functionally different from the enterprise edition now?? wh at are the exact changes? Subscribe Asked by: vamsi

144. What are orabulk and bcp stages? Subscribe Asked by: ragkris Latest Answer: ORABULK is used to load bulk data into single table of target ora cle database.BCP is used to load bu... Last Updated By pavan on May 13, 2006

145. how to handle the rejected rows in datastage? Subscribe Asked by: vajra Latest Answer: we can handle rejected rows in two ways with help of Constraints in a Tansformer.1) By Putting on th... Last Updated By RamaPrasad Batchu on Ma rch 09, 2006 146. it is possible to run parallel jobs in server jobs? Subscribe Asked by: mallikharjuna reddy Latest Answer: by configuring config file... Last Updated By server on parllel on April 21, 2006

147. what are the differences between the data stage 7.0 and 7.5in server jobs? Subscribe Asked by: mallikharjuna reddy Latest Answer: There are lot of Diffrences: There are lot of new stages are avai lable in DS7.5 For Eg: CDC ... Last Updated By Satheesh on March 15, 2006 148. How the hash file is doing lookup in serverjobs?How is it comparing the ke y values? Subscribe Asked by: priyabrata Latest Answer: Hashed File is used for two purpose: 1. Remove Duplicate Records 2. Then Used for reference looku... Last Updated By Satheesh on March 15, 2006

149. what is data set? and what is file set? Subscribe Asked by: mallikharjuna reddy Latest Answer: file set:- It allows you to read data from or write data to a fil e set. The stage can have a single ... Last Updated By srinivas on April 14, 2 006 150.

what are the enhancements made in datastage 7.5 compare with 7.0 Subscribe

Asked by: uma maheswar Latest Answer: Complex file and Surrogate key generator stages are added in Ver 7.5 ... Last Updated By Rama Prasad on April 21, 2006 ---------------------------------------------------------------------------------------151. If I add a new environment variable in Windows, how can I access it in Dat aStage?Thanks in advance. Subscribe Asked by: raviatpals Latest Answer: U can view all the environment variables in designer. U can check it in Job properties. U can add an... Last Updated By Rama Prasad on April 21 , 2006 152. 1.What about System variables? 2.How can we create Containers? 3.How can w e improve the performance 1.What about System variables? 2.How can we create Containers? 3.How can we impr ove the performance of DataStage? 4.what are the Job parameters? 5.what is the d ifference between routine and transform and function? 6.What are all the third p arty tools used in DataStage? 7.How can we implement Lookup in DataStage Server jobs? 8.How can we implement Slowly Changing Dimensions in DataStage?. 9.How can we join one Oracle source and Sequential file?. 10.What is iconv and oconv func tions? 11.Differenc Subscribe Asked by: sdfsdf

153. it is possible to call one job in another job in server jobs? Subscribe Asked by: mallikharjuna reddy Latest Answer: Hi, I think we can call a job into another job. In fact calling doesn't sound good, beca... Last Updated By Alok Ranjan on April 05, 2006

154. what is hashing algorithm and explain breafly how it works? Subscribe Asked by: mallikharjuna reddy Latest Answer: Hi all, Can any one please explain the difference between GENERAL and SEQ.NUM hashiing algorithms? t... Last Updated By raj on March 24, 2006

155. what is OCI? Subscribe Asked by: mallikharjuna reddy Latest Answer: Oracle offers a proprietary call interface for C and C++ programm ers that allows manipulation of dat... Last Updated By Rama Prasad on April 21 , 2006 156. What is the NLS equivalent to NLS oracle code American_America.US7ASCII on Datastage NLS? Subscribe Asked by: Mirana 157. If a DataStage job aborts after say 1000 records, how to continue the job from 1000th record after If a DataStage job aborts after say 1000 records, how to continue the job from 1 000th record after fixing the error? Subscribe Asked by: etl

158. how to implement type2 slowly changing dimensions in data stage?explain wi th example? Subscribe Asked by: mallikharjuna reddy Latest Answer: to develope scd type 2 us the update action in target as " insert new rows only"for this u need to m... Last Updated By Sivarao on May 15, 2006

159. Is it possible to move the data from oracle ware house to SAP Warehouse us ing with DATASTAGE Tool. Subscribe Asked by: arya Latest Answer: We can use DataStage Extract Pack for SAP R/3 and DataStage Load Pack for SAP BW ... Last Updated By Rama Prasad on April 21, 2006 160. Can you convert a snow flake schema into star schema? Subscribe Yes, We can convert by attaching one hierarchy to lowest level of another hierar chy. Asked by: dwandbi Latest Answer: No. It is not possible... Last Updated By katta on February 24, 2007 ------------------------------------------------------------------------------------------161. How much would be the size of the database in DataStage ?What is the diffe rence between Inprocess a How much would be the size of the database in DataStage ?What is the difference between Inprocess and Interprocess ? Subscribe Asked by: Madhusudan

162. How I can convert Server Jobs into Parallel Jobs? Subscribe Asked by: frodeg Latest Answer: Could'nt we just copy the whole job design and stages using your mouse and paste into a new parallel... Last Updated By John on February 06, 20 07 163. What is the max capacity of Hash file in DataStage? Subscribe Asked by: Lak Latest Answer: Hello,Take a look at the uvconfig file:# 64BIT_FILES - This sets the default mode used to# &nbs... Last Updated By Alfons Garcia on May 05, 200 6 164. how to use rank&updatestratergy in datastage Subscribe Asked by: subbu Latest Answer: U can use it with ODBC stage by writing proper SQl quries... Last Updated By shri on September 15, 2006 165. What is the difference between drs and odbc stage Subscribe Asked by: sowmya Latest Answer: To answer your question the DRS stage should be faster then the O DBC stage as it uses native databas... Last Updated By Zabi81 on June 01, 2006

166. what is meaning of file extender in data stage server jobs.can we run the data stage job from one j what is meaning of file extender in data stage server jobs.can we run the data s tage job from one job to another job that file data where it is stored and what is the file extender in ds jobs. Subscribe Asked by: venkateswarlu 167. # How does DataStage handle the user security? Subscribe Asked by: debasis_mohanty Latest Answer: we have to create users in the Administrators and give the necess ary priviliges to users.... Last Updated By chereddy on May 18, 2006 168. What are the Steps involved in development of a job in DataStage? Subscrib e Asked by: debasis_mohanty Latest Answer: The steps required are:select the datasource stage depending upon the sources for ex:flatfile,databa... Last Updated By chereddy on May 18, 200 6 169. Briefly describe the various client components? Subscribe Asked by: debasis_mohanty Latest Answer: There are four client components DataStage Designer. A design int erface used to create DataStage app... Last Updated By Ankit Agrawal on May 13 , 2006 170. What is a project? Specify its various components? Subscribe Asked by: debasis_mohanty Latest Answer: You always enter DataStage through a DataStage project. When you start a DataStage client you are pr... Last Updated By silpabalram on May 15,

2006 -------------------------------------------------------------------------------------------171. * What are constraints and derivation?* Explain the process of taking back up in DataStage?*What are * What are constraints and derivation?* Explain the process of taking backup in DataStage?*What are the different types of lookups available in DataStage? Subsc ribe Asked by: debasis_mohanty 172. Will the data stage consider the second constraint in the transformer once the first condition is s Will the data stage consider the second constraint in the transformer once the f irst condition is satisfied ( if the link odering is given) Subscribe Asked by: raji 173. How to remove duplicates in server job Subscribe Asked by: Priyanka Latest Answer: Explain... Last Updated By sudheermukkamalla (Answers: 3)

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174. How do you do Usage analysis in datastage ? Subscribe Asked by: arun Latest Answer: Hi,1. If u want to know some job is a part of a sequence, then in the Manager right click the job an... Last Updated By Zabi81 on June 01, 2006

175. purpose of using the key and difference between Surrogate keys and natural key Subscribe Asked by: CNDRAA Latest Answer: natural key :- seq no system assigned ..skey :- user assigend ! u can start with any number like 100... Last Updated By sekhu_da on November 14 , 2006 176. what are the environment variables in datastage?give some examples? Subscr ibe Asked by: mallikharjuna reddy Latest Answer: Hi,Theare are the variables used at the project or job level.We c an use them to to configure the job... Last Updated By Hanu on June 08, 2006 177. wht is the difference beteen validated ok and compiled in datastage. Subsc ribe Asked by: kishore 178. how we can create rank using datastge like in informatica. Subscribe Asked by: kishore Latest Answer: Hi,if ranking means that belowprop_id rank1 11... Last U pdated By Murat Nur on December 28, 2006 179. What is difference between Merge stage and Join stage? Subscribe Asked by: Madhav

Latest Answer: Someone was saying that join does not support more than two input , while merge support two or more ... Last Updated By Alok Ranjan on June 08, 2006 180. Hican any one can explain what areDB2 UDB utilitiesub Subscribe Asked by: ub -------------------------------------------------------------------------------------------181. what is PROFILE STAGE , QUALITY STAGE,AUDIT STAGE in datastage..please exp alin in detail.thanks in what is PROFILE STAGE , QUALITY STAGE,AUDIT STAGE in datastage..please expalin i n detail.thanks in adv Subscribe Asked by: xxx 182. hi all what is auditstage,profilestage,qulaitystages in datastge please ex plain indetail Subscribe Asked by: profilestage

183. how to implement type2 slowly changing dimenstion in datastage? give me wi th example? Subscribe Asked by: mallikharjuna reddy Latest Answer: it is where the data is to be stored in the intermediate files... Last Updated By shiva on June 29, 2006 184. how to find the number of rows in a sequential file? Subscribe Asked by: mallikharjuna reddy Latest Answer: Using Row Count system variable... Last Updated By malla e 29, 2006

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185. where actually the flat files store?what is the path? Subscribe Asked by: mallikharjuna reddy Latest Answer: The flat files will be stored in the unix box ,if u r environmen t is Unix,U need to specify th... Last Updated By Bharath narahari on December 05, 2006 186. what are the different types of lookups in datastage? Subscribe Asked by: mallikharjuna reddy Latest Answer: U can also use the sparse look up property when u have large data in the look up table ..... ... Last Updated By Bharath narahari on December 0 5, 2006 187. What are the most important aspects that a beginner must consider doin his first DS project ? Subscribe Asked by: Vince O'Reilly Latest Answer: Apart from DWH concepts and different stage knowledge,try to use the director to find out errors and... Last Updated By Bharath narahari on Dec ember 05, 2006 188.

how we can call the routine in datastage job?explain with steps? Subscribe

Asked by: mallikharjuna reddy Latest Answer: In transformer stage we have to edit the field and click dsRoutin es.It will prompt to select the rou... Last Updated By malla on June 29, 2006

189. what is job control?how it is developed?explain with steps? Subscribe Asked by: mallikharjuna reddy 190. what is job control?how can it used explain with steps? Subscribe Asked by: mallikharjuna reddy Latest Answer: JCL defines Job Control Language it is ued to run more number of jobs at a time with or without usin... Last Updated By shiva on June 29, 2006 -------------------------------------------------------------------------------------------191. how to find errors in job sequence? Subscribe Asked by: mallikharjuna reddy Latest Answer: Just go to th eparticular jobs log... Last Updated By Bharath nar ahari on December 05, 2006 192. it is possible to access the same job two users at a time in datastage? Su bscribe Asked by: mallikharjuna reddy Latest Answer: No chance ..... u have to kill the job process ... Last Updated B y Bharath narahari on December 05, 2006 193. what is the meaning of instace in data stage?explain with examples? Subscr ibe Asked by: mallikharjuna reddy

194. If the size of the Hash file exceeds 2GB..What happens? Does it overwrite the current rows? Subscribe Asked by: Rohit Latest Answer: it overwrites the file... Last Updated By shiva on June 29, 200 6 195. how to drop the index befor loading data in target and how to rebuild it i n data stage? Subscribe Asked by: mallikharjuna reddy Latest Answer: This can be achieved by "Direct Load" option of SQLLoaded utily.. .. Last Updated By soumita deb on July 25, 2006 196. How to parametarise a field in a sequential file?I am using Datastage as E TL Tool,Sequential file a How to parametarise a field in a sequential file?I am using Datastage as ETL Too l,Sequential file as source. Subscribe Asked by: K.Bala Subrahmanyam

197.

how to kill the job in data stage? Subscribe

Asked by: mallikharjuna reddy Latest Answer: U can also do it by using data stage director clean up resources. .. Last Updated By Bharath narahari on December 05, 2006 198. where we use link partitioner in data stage job?explain with example? Subs cribe Asked by: mallikharjuna reddy Latest Answer: We use Link Partitioner in DataStage Server Jobs.The Link Partiti oner stage is an active stage which... Last Updated By shiva on June 29, 2006

199. What is the difference between sequential file and a dataset? When to use the copy stage? Subscribe Asked by: vsarita80 Latest Answer: hi allsequential file:it act as a source & permanent storage for target.it 's extend is .txt.dat... Last Updated By kirupakaran on December 12, 2006 200. what is the purpose of exception activity in data stage 7.5? Subscribe Asked by: mallikharjuna reddy Latest Answer: The stages followed by exception activity will be executed whenev er there is an unknown error occurs... Last Updated By vimalt on July 13, 2006 -------------------------------------------------------------------------------------------201. How i create datastage Engine stop start script.Actually my idea is as bel ow.!#bin/bashdsadm - user How i create datastage Engine stop start script.Actually my idea is as below.!#b in/bashdsadm - usersu - rootpassword (encript)DSHOMEBIN=/Ascential/DataStage/hom e/dsadm/Ascential/DataStage/DSEngine/binif check ps -ef  grep DataStage (client connection is there) { kill -9 PID (client connection) }uv -admin - stop > dev/ nulluv -admin - start > dev/nullverify processcheck the connectionecho "Started properly"run it as dsadm Subscribe Asked by: DHEERENDRA SINGH

202. How do u check for the consistency and integrity of model and repository? Subscribe Asked by: mahesh

203. What does separation option in static hash-file mean? Subscribe Asked by: mahesh Latest Answer: The different hashing algorithms are designed to distribute recor ds evenly among the groups of the f... Last Updated By Navatha on July 06, 200 6 204.

give one real time situation where link partitioner stage used? Subscribe

Asked by: mallikharjuna reddy Latest Answer: If we want to send more data from the source to the targets quick ly we will be using the link partio... Last Updated By praveenkumar on August 20, 2006

205. What is the difference between Symetrically parallel processing,Massively parallel processing? Subscribe Asked by: balu Read / Answer 206. How to implement slowly changing dimentions in Datastage? Subscribe Asked by: balu Latest Answer: In Informatica powercenter, there is a way to implement slowly ch anging dimension through wizard. Da... Last Updated By vimalt on July 13, 2006

207. what is data stage engine?what is its purpose? Subscribe Asked by: mallikharjuna reddy Latest Answer: Datastage sever contains Datastage engine DS Server will interact with Client components and Reposit... Last Updated By JOHN DANIEL on November 08, 2006 208. what is the size of the flat file? Subscribe Asked by: mallikharjuna reddy Latest Answer: The flat file size depends amount of data contained by that flat file... Last Updated By Dharmendra on September 22, 2006 209. how to improve the performance of hash file? Subscribe Asked by: mallikharjuna reddy Latest Answer: Hi You can inprove performance of hashed file by 1 .Preloading ha sh file into memory -->this can ... Last Updated By Saket Garg on July 04, 200 6 210. Actually my requirement is like that :Here is the codification suggested: SALE_HEADER_XXXXX_YYYYMM Actually my requirement is like that :Here is the codification suggested: SALE_H EADER_XXXXX_YYYYMMDD.PSVSALE_LINE_XXXXX_YYYYMMDD.PSVXXXXX = LVM sequence to ensu re unicity and continuity of file exchangesCaution, there will an increment to i mplement.YYYYMMDD = LVM date of file creation COMPRESSION AND DELIVERY TO: SALE_  HEADER_XXXXX_YYYYMMDD.ZIP AND SALE_LINE_XXXXX_YYYYMMDD.ZIPif we run that job the target file names are like this sale_header_1_20060206 & sale_line_1_20060206.i f we run next Subscribe Asked by: sreedhar kancherla -------------------------------------------------------------------------------------------211. Other than Round Robin, What is the algorithm used in link collecter? Also Explain How it will wor Other than Round Robin, What is the algorithm used in link collecter? Also Expla in How it will works? Subscribe Asked by: mallikharjuna reddy

212. Have you ever involved in updating the DS versions like DS 5.X, if so tell us some the steps you ha Have you ever involved in updating the DS versions like DS 5.X, if so tell us so me the steps you have Subscribe Asked by: geek61

213. My requirement is like this :Here is the codification suggested: SALE_HEAD ER_XXXXX_YYYYMMDD.PSVSALE My requirement is like this :Here is the codification suggested: SALE_HEADER_XXX XX_YYYYMMDD.PSVSALE_LINE_XXXXX_YYYYMMDD.PSVXXXXX = LVM sequence to ensure unicit y and continuity of file exchangesCaution, there will an increment to implement. YYYYMMDD = LVM date of file creation COMPRESSION AND DELIVERY TO: SALE_HEADER_XX XXX_YYYYMMDD.ZIP AND SALE_LINE_XXXXX_YYYYMMDD.ZIPif we run that job the target f ile names are like this sale_header_1_20060206 & sale_line_1_20060206.If we run next time means the Subscribe Asked by: sreedhar k

214. How to know the no.of records in a sequential file before running a server job? Subscribe Asked by: laxman Latest Answer: if your environment is unix , you can check with wc -l filename c ommand.... Last Updated By vijaya kumar peruri on July 28, 2006 215. what is the transaction size and array size in OCI stage?how these can be used? Subscribe Asked by: mallikharjuna reddy Latest Answer: Transaction Size - This field exists for backward compatibility, but it is ignored for release ... Last Updated By laxman on July 24, 2006 216. What are the Environmental variables in Datastage? Subscribe Asked by: Chidanand

217. how do u clean the datastage repository. Subscribe Asked by: kashif Latest Answer: CLEAR.FILE &PH&... Last Updated By Bunny on

August 25, 2006

218. What is the difference between Transform and Routine in DataStage? Subscri be Asked by: ETL Latest Answer: Transformar transform the data from one from to another form .whe re as Routines describes the busine... Last Updated By JOHN DANIEL on November 08, 2006 219. How to run the job in command prompt in unix? Subscribe Asked by: Badri Latest Answer: Using dsjob command,-optionsdsjob -run -jobstatus projectname job nameThanks,Srini... Last Updated By Srini on August 01, 2006 220. HI How can we create read only jobs in Datastage. Subscribe Asked by: BABU S Latest Answer: in export there is an options just CLICK ON OPTIONS TAB THEN THER E UNDER INCLUDE OPTIONU WILL FIND R... Last Updated By mady on August 18, 2006

-------------------------------------------------------------------------------------------221. How do you call procedures in datastage? Subscribe Asked by: Reddy Latest Answer: Use the Stored Procedure Stage... Last Updated By Pradeep Menon on August 08, 2006 222. How do you remove duplicates without using remove duplicate stage? Subscri be Asked by: Reddy Latest Answer: You can do it at any stage.Just do a hash partion of the input da ta and check the options Sort and U... Last Updated By c2 on September 05, 200 6 223. What are the new features of Datastage 7.1 from datastage 6.1 Subscribe Asked by: BABU

224. What is the difference between DataStage and DataStage Scripting? Subscrib e Asked by: Gudduy

225. What is environment variables?what is the use of this? Subscribe Asked by: Ram Latest Answer: Thanks... Last Updated By Ram on August 17, 2006 226. Can you tell me for what puorpse .dsx files are used in the datasatage Sub scribe Asked by: praveen kumar. G Latest Answer: you can as well export the Datastage jobs in .xml format......... Last Updated By srividya on August 25, 2006 227. Hiwhat is difference betweend ETL and ELT? Subscribe Asked by: Srinubabu Latest Answer: ETL-> transformation takes place in staging area and in ELT-> tra nsormation takes at either so... Last Updated By sunil on October 18, 2006

228. if we using two sources having same meta data and how to check the data in two sorces is same or n if we using two sources having same meta data and how to check the data in two s orces is same or not?and if the data is not same i want to abort the job ?how we can do this? Subscribe Asked by: mallikharjuna reddy 229. How can I schedule the cleaning of the file &PH& by dsjob? Subscribe Asked by: Bernardo Latest Answer: Create a job with dummy transformer and sequentail file stage. In Before Job subroutine, use ExecTCL... Last Updated By rameshrr3 on November 1 0, 2006

230. what is quality stage and profile stage? Subscribe Asked by: nvsmitha Latest Answer: Quality Stage:It is used for cleansing ,Profile stage:It is used for profiling ... Last Updated By Bharath narahari on December 05, 2006 -------------------------------------------------------------------------------------------231. how to find the process id?explain with steps? Subscribe Asked by: mallikharjuna reddy Latest Answer: U can also use Data stage Administrator.Just click on the project and execute command ,just follow t... Last Updated By Bharath narahari on Dec ember 05, 2006 (Answers: 4) 232. how to distinguish the surogate key in different dimensional tables?how ca n we give for different d how to distinguish the surogate key in different dimensional tables?how can we g ive for different dimension tables? Subscribe Asked by: mallikharjuna reddy

233. What is the difference bitween OCI stage and ODBC stage? Subscribe Asked by: pavan Latest Answer: Oracle OCI: · We... Last Updated By Radha on ber 07, 2006

Septem

234. Could anyone plz tell abt the full details of Datastage Certification.Titl e of Certification?Amount Could anyone plz tell abt the full details of Datastage Certification.Title of C ertification?Amount for Certification test?Where can v get the Tutorials availab le for certification?Who is Conducting the Certification Exam?Whether any traini ng institute or person for guidens?I am very much pleased if anyone enlightwn me abt the above saidSuresh Subscribe Asked by: Suresh

235. Is there any difference b/n Ascential DataStage and DataStage. Subscribe Asked by: Jagan Latest Answer: There is no difference between Ascential Datastage and Datastage ,Now its IBM websphere Datastage ea... Last Updated By meenamanukondu on Septe mber 06, 2006 236. Hello,Can both Source system(Oracle,SQLServer,...etc) and Target Data ware house(may be oracle,SQLSe Hello,Can both Source system(Oracle,SQLServer,...etc) and Target Data warehouse( may be oracle,SQLServer..etc) can be on windows environment or one of the system should be in UNIX/Linux environment.Thanks,Jagan Subscribe Asked by: jagan

237. What is Runtime Column Propagation and how to use it? Subscribe Asked by: pratap.behera Latest Answer: If your job has more columns which are not defined in metadata if runtime propagation is enabled it ... Last Updated By rajeev on September 08,

2006 238. how we use the DataStage Director and its run-time engine to schedule runn ing the solution, testing how we use the DataStage Director and its run-time engine to schedule running th e solution, testing and debugging its components, and monitoring the resulting e /xecutable versions on ad hoc or scheduled basis? Subscribe Asked by: kamal 239. What is Ad-Hoc access? What is the difference between Managed Query and Ad -Hoc access? Subscribe Asked by: Devi Ramesh

240. What is the difference between reference link and straight link ? Subscrib e Asked by: Dharmendra Latest Answer: hiThe differerence between reference link and straight link isThe straight link is the one where dat... Last Updated By starsaran007 on Septemb er 30, 2006 -------------------------------------------------------------------------------------------241. I have few questions1. What ar ethe various process which starts when the datastage engine starts?2 I have few questions1. What ar ethe various process which starts when the datast age engine starts?2. What are the changes need to be done on the database side, If I have to use dB2 stage?3. datastage engine is responsible for compilation or execution or both? Subscribe Asked by: kannu

242. How to write and execute routines for PX jobs in c++? Subscribe Asked by: Rajesh Devabhaktuni Latest Answer: You have to write routine in C++ (g++ in Unix). then you have to create a object file. provide this ... Last Updated By Kiran on November 02, 2 006 243. 1 1. Difference between Hashfile and Sequential File?. What is modulus?2 2 . What is iconv and oconv 1 1. Difference between Hashfile and Sequential File?. What is modulus?2 2. What is iconv and oconv functions?.3 3. How can we join one Oracle source and Sequen tial file?.4 4. How can we implement Slowly Changing Dimensions in DataStage?.5 5. How can we implement Lookup in DataStage Server jobs?.6 6. What are all the t hird party tools used in DataStage?.7 7. what is the difference between routine and transform and function?.8 8. what are the Job parameters?.9 9. Plug-in?.10 1 0.How can we improv Subscribe Asked by: Zias

244. what is pivot stage?why are u using?what purpose that stage will be used? Subscribe Asked by: pavan Latest Answer: First of all thanks to srilaxmi for your skill in pivot stage.Piv

ot stage supports only horizontal p... Last Updated By laxman 006

on

October 24, 2

245. how to eleminate duplicate rows in data stage? Subscribe Asked by: pavan Latest Answer: There are two methods for eleminating duplicate rows in datastage 1. Using hash file stage (Specify t... Last Updated By ravi on December 11, 20 06 246. how can we load source into ODS? Subscribe Asked by: yukthi Latest Answer: What is ur source?. Depending on type of source, you have to use respective stage.like oracle enterp... Last Updated By hanug on December 12, 2 006 247. how do we create index in data satge? Subscribe Asked by: yukthi

248. how can we create environment variables in datasatage? Subscribe Asked by: yukthi Latest Answer: Hi This mostely will comes under Administrator part.As a Designer only we can add directly byDesigne... Last Updated By ashok on October 12, 20 06 249. what is the difference between static hash files n dynamic hash files? Sub scribe Asked by: yukthi Latest Answer: thanxs...... Last Updated By yukthi on October 12, 2006 250. what is a routine? Subscribe Asked by: yukthi Latest Answer: Routine is user defined functions that can be reusable with in th e project.... Last Updated By Kiran on November 02, 2006 -------------------------------------------------------------------------------------------251. How can we Test jobs in Datastage?? Subscribe Asked by: yukthi Latest Answer: Hi Configuration of u'r system is fine. I don't think therez prob lem in the installation too.there r... Last Updated By kumar on November 22, 2 006 252. What is the use of Hash file??insted of hash file why can we use sequentia l file itself? Subscribe Asked by: yukthi Latest Answer: these files are stored in the memory hence faster performance tha n from a sequential file... Last Updated By jessa on October 24, 2006 253. how can we test the jobs? Subscribe Asked by: yukthi Latest Answer: Thanxs...... Last Updated By yukthi

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October 12, 2006

254. what is an environment variable?? Subscribe Asked by: yukthi Latest Answer: Here is the full FAQ on this topic:Creating project specific envi ronment variables- Start up DataSta... Last Updated By the_xxx on March 21, 20 07 255. how can we generate a surrogate key in server/parallel jobs? Subscribe Asked by: praveen Latest Answer: You can also generate the surrogate key in the database using the sequence generator.... Last Updated By Kiran on November 02, 2006 256. how to read the data from XL FILES?explain with steps? Subscribe Asked by: mallikharjuna reddy Latest Answer: Create a new DSN for the Excel driver and choose the workbook fro m which u want dataSelect the ODBC ... Last Updated By S on October 30, 2006

257. how to distinguish the surrogate key in different dimentional tables? Subs cribe Asked by: mallikharjuna reddy Latest Answer: the Surrogate key will be the key field in the dimensions.... Las t Updated By Kiran on November 02, 2006 258. whats the meaning of performance tunning techinque,Example?? Subscribe Asked by: yukthi Latest Answer: HI,is this only related with server jobs .because in parallel ext ender these things are taken care b... Last Updated By trinity on October 28, 2006 259. hi..Disadvantages of staging area Thanks,Jagan Subscribe Asked by: Jagan Latest Answer: Yes, its like a disadvantage of staging area, it takes more space in database and it may not be cost... Last Updated By RAVI on March 02, 2007

260. how to read the data from XL FILES?my problem is my data file having some commas in data,but we ar how to read the data from XL FILES?my problem is my data file having some commas in data,but we are using delimitor is ?how to read the data ,explain with step s? Subscribe Asked by: mallikharjuna reddy --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------261. differentiate between pipeline and partion parallelism? Subscribe Asked by: sivanov21 Latest Answer: consider three cpu connected in series. When data is being fed in to the first one,it start proc... Last Updated By manraj on October 25, 2006 (Answers: 1) Read / Answer 262.

what are the main diff between server job and parallel job in datastage Su

bscribe Asked by: prasanna Latest Answer: server jobs can compile and run with in datastage server but para llel jobs can compile and run with ... Last Updated By N.sukumar on December 2 6, 2006 (Answers: 3) Read / Answer 263.

what is complex stage?In which situation we are using this one? Subscribe

Asked by: BHARETH REDDY Latest Answer: A complex flat file can be used to read the data at the intial le vel. By using CFF, we can read ASCI... Last Updated By amardeep.reddy on Decem ber 06, 2006 (Answers: 2) Read / Answer 264. Why is hash file is faster than sequential file n odbc stage?? Subscribe Asked by: yukthi Latest Answer: Hash file is indexed. Also it works under hashing algo. That's wh y the search is faster in hash file... Last Updated By Lavanya on November 08, 2006 (Answers: 1) Read / Answer 265. how can we improve performance in aggregator stage?? Subscribe Asked by: yukthi Latest Answer: Select the most appropriate partitioning method based on the data analysis. Hash partitoning perform... Last Updated By prav2000 on December 21 , 2006 (Answers: 2) Read / Answer 266. What is Integrated & Unit testing in DataStage ? Subscribe Asked by: izack Latest Answer: Unit Testing: &nb... Last Updated By BALU ber 04, 2006 (Answers: 1) Read / Answer

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Decem

267. Why job sequence is use for? what is batches?what is the difference betwee n job sequence and batche Why job sequence is use for? what is batches?what is the difference between job sequence and batches? Subscribe Asked by: prashant Read / Answer 268. Hot Fix for ODBC Stage for AS400 V5R4 in Data Stage 7.1 Asked by: Girolamo Falbo Read / Answer

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269. what are two types of hash files?? Subscribe Asked by: yukthi Latest Answer: the two type of hash file are, 1) static and 2) dynamic,,,,, the dynamic hash file is again subdivid... Last Updated By prashant narayani on De cember 27, 2006 (Answers: 4) Read / Answer 270. how can we improve the job performance? Subscribe Asked by: sivanov21 Latest Answer: We can put hash file in lookup. This will index the input data ba sed on key column (which we define)... Last Updated By Bhaskar on December 29, 2006

-------------------------------------------------------------------------------------------271. Where can you output data using the Peek Stage? Subscribe Asked by: Ram Latest Answer: The output of peek stage can be viewed in director LOG and also i t can be saved as a seperate text f... Last Updated By karthik on February 21, 2007 (Answers: 2) Read / Answer 272. For what purpose is the Stage Variable is mainly used? Subscribe Asked by: Prashant Narayani Latest Answer: The stage variable can be used in situations where U want to Stor e a Previous record value in a vari... Last Updated By Srinivasa R Gummadi on November 19, 2006 (Answers: 2) Read / Answer 273. what are different types of file formats?? Subscribe Asked by: yukthi Latest Answer: .csv files. dxs files( standard extension of data stage)... Last Updated By PRASHANT NARAYANI on December 26, 2006 (Answers: 2) Read / An swer 274. What are different dimension table in your project??Plz explain me with an example?? Subscribe Asked by: yukthi Latest Answer: hi, for this question u cant say exact number of dimension tables in your project,, so tell hi... Last Updated By PRASHANT NARAYANI on December 26, 2006 (Answers: 1) Read / Answer 275. What is a sequential file that has single input link?? Subscribe Asked by: yukthi Read / Answer 276. What is the use of tunnable?? Subscribe Asked by: yukthi Latest Answer: Tunable is project property in Datastage Administrator, in that w e can change the value of cache siz... Last Updated By Ravi on December 18, 20 06 (Answers: 3) Read / Answer 277. What is the sequencer stage?? Subscribe Asked by: yukthi Latest Answer: Lets say there are two jobs (J1 & J2) as the input links and one job (J3) as output link for a s... Last Updated By amardeep.reddy on December 06, 2006 (Answers: 1) Read / Answer 278. What are different types of star schema?? Subscribe Asked by: yukthi Latest Answer: Multi star schema or galaxy schema is one of the type of star sch ema... Last Updated By PRASHANT NARAYANI on December 27, 2006 (Answers: 1) Read / Answer 279.

What is the use of job controle?? Subscribe

Asked by: yukthi Latest Answer: Job control is used for scripting. With the help of scripting, we can set parameters for a caller jo... Last Updated By Vijaykumar Kharwandikar on December 28, 2006 (Answers: 1) Read / Answer 280. What is the alternative way where we can do job control?? Subscribe Asked by: yukthi Latest Answer: Jobcontrol can be done using :Datastage job SequencersDatastage C ustom routinesScriptingScheduling t... Last Updated By Vennela17 on February 2 2, 2007 -------------------------------------------------------------------------------------------281. What is user activity in datastage? Subscribe Asked by: Ananth Latest Answer: The User variable activity stage defines some variables,those are used in the sequence in future..... Last Updated By Prashant Narayani on Dece mber 29, 2006 (Answers: 1) Read / Answer 282. What does # indicate in environment variables? Subscribe Asked by: PRASHANT NARAYANI Latest Answer: It is used to identify the parameter.... Last Updated By Vijaykum ar Kharwandikar on December 28, 2006 (Answers: 1) Read / Answer 283. Is it possible to query a hash file? Justify your answer... Subscribe Asked by: prashant narayani Latest Answer: You can also use a Universe stage if the data is need in your job . I don't recall all details when I... Last Updated By John on February 08, 20 07 (Answers: 4) Read / Answer 284. Suppose you have table "sample" & three columns in that tablesample:Cola C olb Colc1 Suppose you have table "sample" & three columns in that tablesample:Cola Colb Co lc1 10 1002 20 2003 30 300Assume: cola is primary keyHow will you fetch the reco rd with maximum cola value using data stage tool into the target system Subscrib e Asked by: Waseem Read / Answer 285. How to run a job using command line? Subscribe Asked by: Prashant Narayani Latest Answer: dsjob -run -jobstatus projectname jobname... Last Updated By ram on January 07, 2007 (Answers: 1) Read / Answer 286. What is the diffrence between IBM Web Sphere DataStage 7.5 (Enterprise Edi tion ) & Standard Ascenti What is the diffrence between IBM Web Sphere DataStage 7.5 (Enterprise Edition ) & Standard Ascential DataStage 7.5 Version ? Subscribe Asked by: izack Read / Answer 287.

What is the diffrence between the Dynamic RDBMS Stage & Static RDBMS Stage

? Subscribe Asked by: izack Read / Answer 288. What is the difference betwen Merge Stage and Lookup Stage? Subscribe Asked by: Ram Latest Answer: Lookup stage:1. Used to perform lookups.2. Multiple reference lin ks, single input link, single outpu... Last Updated By srinivasguptha on Janua ry 29, 2007 (Answers: 2) Read / Answer 289. What is Fact loading, how to do it? Subscribe Asked by: Prashant Narayani Latest Answer: Once we have loaded our dimensions, then as per business requirem ents we identify the facts(columns ... Last Updated By Amjad on February 23, 2 007 (Answers: 2) Read / Answer 290. Aggregators  What does the warning Hash table has grown to xyz  Aggregators  What does the warning Hash table has grown to xyz . mean? Asked by: Manraj

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-------------------------------------------------------------------------------------------291. Which partition we have to used for Aggregate Stage in parallel jobs ? Sub scribe Asked by: izack Latest Answer: By default this stage allows Auto mode of partitioning. The best partitioning is based on the operat... Last Updated By srinivasguptha on Janua ry 28, 2007 (Answers: 1) Read / Answer 292. Where we can use these Stages Link Partetionar, Link Collector & Inter Pro cess (OCI) Stage whether Where we can use these Stages Link Partetionar, Link Collector & Inter Process ( OCI) Stage whether in Server Jobs or in Parallel Jobs ? And SMP is a Parallel or Server ? Subscribe Asked by: izack Read / Answer 293. What is TX and what is the use of this in DataStage ? As I know TX stand f or Transformer Extender, What is TX and what is the use of this in DataStage ? As I know TX stand for Tra nsformer Extender, but I don't know how it will work and where we will used ? Su bscribe Asked by: izack Read / Answer 294. How to enable the datastage engine? Subscribe Asked by: sivanov21 Read / Answer 295. what is hashing algorithm? Subscribe Asked by: sivanov21 Read / Answer

296.

what is the difference between RELEASE THE JOB and KILL THE JOB? Subscribe

Asked by: sivanov21 Latest Answer: HiRelease the job is to release the job from any dependencies and run it.Kill the job means kill the... Last Updated By deepa on February 26, 2 007 (Answers: 1) Read / Answer 297. How can we remove duplicates using sort stage? Subscribe Asked by: sivanov21 Latest Answer: TreeSet set = new TreeSet(Arrays.asList(names)); ... Last Upd ated By Alex on February 28, 2007 (Answers: 2) Read / Answer 298. In which situation,we are using RUN TIME COLUMN PROPAGATION option? Subscr ibe Asked by: sivanov21 Latest Answer: Run time column propagation is used in case of partial schema usa ge. when we only know about the col... Last Updated By poonam on February 14, 2007 (Answers: 1) Read / Answer 299. What is repository? Subscribe Asked by: sivanov21 Latest Answer: Repository is a content which is having all metadata (information ).... Last Updated By prasad on February 24, 2007 (Answers: 2) Read / An swer 300. what is the difference between datasatge and datastage TX? Subscribe Asked by: sivanov21 Latest Answer: Hi, WebSphere Transformation Extender (WTX) is the universal tran sformation engine for WebSphere th... Last Updated By veeru_veeru on February 13, 2007 -------------------------------------------------------------------------------------------301. how find duplicate records using transformer stage in server edition Subsc ribe Asked by: prasad Latest Answer: Transformer stage to identify and remove duplicates from one outp ut, and direct all input rows to an... Last Updated By the_xxx on March 20, 20 07 (Answers: 2) Read / Answer 302. Type 30D hash file is GENERIC or SPECIFIC? Subscribe Asked by: sivanov21 Read / Answer 303. what is the use of environmental variables? Subscribe Asked by: sivanov21 Latest Answer: Enviroment Variables are the one who set the enviroments.Oce you set these varicables in datastage y... Last Updated By raghumreddy on March 14 , 2007 (Answers: 2) Read / Answer 304.

how can we run the batch using command line? Subscribe

Asked by: sivanov21 Latest Answer: DSJOB Command is the command to run the datastage jobs from comma nd line . in the older architecture... Last Updated By raghumreddy on March 14 , 2007 (Answers: 1) Read / Answer 305. what is fact load? Subscribe Asked by: sivanov21 Latest Answer: In a star schema there will be facts and dimension tables to load in any datawarehouse environ... Last Updated By raghumreddy on March 14, 200 7 (Answers: 2) Read / Answer 306. Does type of partitioning change for SMP and MPP systems? Subscribe Asked by: infinity Read / Answer 307. Explain a specific scenario where we would use range partitioning ? Subscr ibe Asked by: infinity Latest Answer: If the datais large and if you cannot process the the full data i n one time process you will general... Last Updated By raghumreddy on March 14 , 2007 (Answers: 2) Read / Answer 308. what is panthom error in data stage Subscribe Asked by: sivanov21 Latest Answer: For every job in DataStage, a phantom is generated for the job as well as for every active stage whi... Last Updated By the_xxx on March 19, 20 07 (Answers: 3) Read / Answer 309. what is job commit in datastage? Subscribe Asked by: sivanov21 Latest Answer: If you see datastage job commits each record in general cases. bu t you can force the datastage to ta... Last Updated By Raghu Mule on March 14, 2007 (Answers: 2) Read / Answer 310. How do you configure api_dump Subscribe Asked by: prem2129 -------------------------------------------------------------------------------------------311. How can we increment the surrogate key value for every insert in to target database Subscribe Asked by: harishthemostwanted Read / Answer 312. How will you pass the parameter to the job schedule if the job is running at night? What happens if How will you pass the parameter to the job schedule if the job is running at nig ht? What happens if one job fails in the night? Subscribe Asked by: kundan Read / Answer 313.

What is the difference between Datastage Server jobs and Datastage Paralle

l jobs? Subscribe Asked by: Gnaneshwar Read / Answer 314. What is the difference between Job Control and Job Sequence Subscribe Asked by: vbs19oct Read / Answer 315. Is it possible to calculate a hash total for an EBCDIC file and have the h ash total stored as EBCDI Is it possible to calculate a hash total for an EBCDIC file and have the hash to tal stored as EBCDIC using Datastage? Subscribe Currently, the total is converted to ASCII, even tho the individual records are stored as EBCDIC. Asked by: duckcats Read / Answer 316. how to attach a mtr file (MapTrace) via email and the MapTrace is used to record all the execute ma how to attach a mtr file (MapTrace) via email and the MapTrace is used to record all the execute map errors Subscribe Asked by: joycema Read / Answer 317. What is Phantom error in the datastage. How to overcome this error. Subscr ibe Asked by: madhuker Read / Answer 318. How to install and configure DataStage EE on Sun Micro systems multi-proce ssor hardware running the How to install and configure DataStage EE on Sun Micro systems multi-processor h ardware running the Solaris 9 operating system? Subscribe Asked by: Kapil Jayne Read / Answer 319. How do you load partial data after job failed Subscribe source has 10000 records, Job failed after 5000 records are loaded. This status of the job is abort , Instead of removing 5000 records from target , How can i r esume the load Asked by: Hari Kishore Read / Answer 320. What are the important considerations while using join stage instead of lo okups. Subscribe Asked by: vijji -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------