Quiz_1

1.A 1.A DBMS comprises of the following elements: (Choose 3)

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(Choose all correct answers) Query language (*) Data Dictionary (*) Client Memory and Storage Management (*) Correct 2. Information is the result of combining, comparing and  performing calculations on data.

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True (*) False Correct 3. Which transformation in computing allows for for storage and delivery of applications and data over the internet?

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Grid Computing Cloud Computing (*) Mainframe computing Desktop computing Incorrect. Refer to Section 1 Lesson 2. 4. DBMS stands for :

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Database Management System (*) Database Manipulation System Database Memory System Database Management Software Correct 5. Which is the first step in the Database Database Development Process ?

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Strategy and Analysis (*) Testing Build Design Correct

6.A 6.A flat file may contain many fields, often, with duplicate data that are prone to data corruption.

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True (*) False Correct 7. In the relational database model, each table name must be unique. The column names in the table must be unique too. You can have two different tables that have column names that are the same.

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True (*) False Correct 8. The Th e advantages of an object-oriented data model are:

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Reduced Maintenance Real-World Modeling Both A and B. (*)  Neither A or B. Correct 9. Using a database solution instead instead of a flat file eliminates eliminates all o the following issues except:

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Data entry anomalies Incorrect data (*) Redundancy Inconsistency Incorrect. Refer to Section 1 Lesson 4. 10. Business rules are important because_________.

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They can become outdated quickly. They allow the developer to understand the relationship and constraints of the participating entities (*) They can all be incorporated into the database design structure. They are complex and difficult to understand. Correct 11.All 11.All Business Rules can be modeled.

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True False (*) Incorrect. Refer to Section 1 Lesson 4. 12. If information requirements are clearly communicated during conceptual modeling the following will result:

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Some business rules may not be taken into account A well designed conceptual model (*) Delays due to reworking model caused by incorrect assumptions A conceptual model that does not fully reflect the business will be created. Correct 13. Business rules help you understand the standardization  procedure an organization follows when handling huge data. True (*)

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False Correct 14. The strategies for learning used in this course include:

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Instructor led training Industry recognized certification Project driven curriculum All of the above (*) Correct 15. The Oracle Academy courses are intended for self study. True or False? True False (*) Correct

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