SQL Server Questions

c
    p
            p  p
    
!  "#   p
   " $ R

%&&'!  ()% * 

R R R

%&&+!  ,-.
  &+ %&&,!  ,+.
 /  %&&&!  0-.
 " 1

R R R R R

%&&&!  0-2 34.
 4  )---!  )---')! .
 " "  5- )--'!  )---,(! .
   )--+!  )--+.
 67  &- )--+!  )--+818  .
  

R R

Π  
     p
  )--+818   "  "p
  )--+     )--+.""   p
   )--+818  $ %9"p
  )--+818     )9":   "  
 . 

7 1" ; 8 ' 7  
 "    "$ Name: dotnetfx.exe Location: C:\temp Size: 23,510,720 bytes *ersion: 2.0.50727.42 (= 881  +

7"  $
$>>11 "p
*8 : 7)-  ":" 
   ""    c
 #() (  #$"%
 &$*$ 4

 1     
  "*8 : 7)-6
   .     
 " # *8 : 7)- 
 1
    $ CPU usage: 00% Memory usage: 2,704K Launching method: System Service

irectory: C:\WIN ÑWS\Microsoft.NET\‰ramework\v2.0.50727\ ‰ile name: mscorsvw.exe

escription: .NET Runtime Ñptimization Service Size: 66,240 bytes

ate: ‰riday, September 23, 2005, 7:28:56 AM *ersion: 2.0.50727.42 Company name: Microsoft System essential: No *irus/Spyware/Adware: No Œ  
   2
"    )--+818  .""     $ %

7 8

J. "

72C"= p    F .1  
F 9. "!

7F. "

7* F "F 1p  "4  =  1.  . "

7= 
  
  " 

 !  8    p   .  1
" 


A  "" 
:2p *2 
"    "
" "   8:3F A3 338 

p "      ."

   
 "    "   
"
           
!   CREATE LÑrIN [computer_name\Mary] ‰RÑM WIN ÑWS WITH E‰AULT_ ATABASE = [Test ata]; rÑ "  " G  p . "

.

"   
   " "   
  )--+"
.
 " 
"  
" p 

 Π 

 



1
 !2-3"5-!
 "  "
  #
7
    
      "  
!  9   

       ": . 
    " "

"     8  "
 "    "
    3  . "       E
 " """. ""
     
 "E
 "   "      p   81 p " 

"   
  )--+."   



"   " " 

"          " G"       p 

. 
""      . ""=83 8F8   "   p  " 




1
!  1
"  

A  "" 
 p 

"       USE [Test ata]; rÑ CREATE USER [Mary] ‰ÑR LÑrIN [computer_name\Mary]; rÑ *.p " 

"  )--+ "      

R R

R

R

R

R R R R R R R R R R R

R R R R R R R R R R R R

R

Π 



   !2-3"'c6)-0245-! 
 "  ""   #
7
    
     "  
!  9   

       ": .
    " "

"     8  "
 "    "
    3  . "       E
 " """. ""
     
 "E
 "   "      p   81 *" p 


"      .  
     E
.
"     
. " p 

"3    8 8=  .  
   
!  "  1
   
" ?  #  7  

  
 
1"  

" "     

  
""
.
" : / 8     


   
  "    :" 1 . =83 8?8
   " 
"
 "4
  ". =83 842=8F8
   
" 

 
   "
" 
" " 
     " 

!81
"  
     " 1
  
 . "  

" CREATE *IEW vw_Names AS SELECT ProductName, Price ‰RÑM Products; rÑ " !?   E 7 F 8 8=  

   SELECT * ‰RÑM vw_Names; rÑ " 

  ! "  
  
  A* .

     K? 4
   " 
 " 4
" 

  ""   "  
" "     
" %-
" 
   "."
 1
 8 8=  " .  "     "/88
  "  
" 
" "     CREATE PRÑCE URE pr_Names @*arPrice money AS BErIN -- The print statement returns text to the user PRINT 'Products less than ' + CAST(@*arPrice AS varchar(10)); -- A second statement starts here SELECT ProductName, Price ‰RÑM vw_Names WHERE Price < @varPrice; EN

rÑ "   ! "
. 1
"    "
"" "
 "4
    % " 
"  " %---

R R R R

R

R R R R R

R

R

R R

R R R R R R R R R R R R R R R R R R R

EXECUTE pr_Names 10.00; rÑ Œ   

  !*-3$",25"!
 "  ""  #
7
    
      "  
!  9   

       ": . 
    " "

"     8  "
 "    "
    3  . "       E
 " """. ""
     
 "E
 "   "      p   81 3     .
1
"8 8= "4
  " A*  . 1
"A* 
H" .p 
  p "
    ."93*   ) "!81
"   p "8= 500 rÑ id url notes counts created 601 moc.retneciyf.ved Wrong 9 2006-04-30 602 moc.retneciyf.abd Wrong 9 2007-05-21 603 moc.retneciyf.aqs Wrong 9 2007-05-23 UP ATE fyi_links SET id = id+200, counts = id*2 WHERE id >= 500 rÑ (3 row(s) affected) SELECT * ‰RÑM fyi_links WHERE id >= 500 rÑ id url notes 801 moc.retneciyf.ved Wrong 802 moc.retneciyf.abd Wrong 803 moc.retneciyf.aqs Wrong

counts 1202 1204 1206

created 2006-04-30 2007-05-19 2007-05-19

"   
   " 
)--  "

 ""  
   

 0 2  "2
 
 "  *2 "
 "8 
 "F43 8  *2   6   
"   "  9::88*=8

  .p  2
  
 "  $ R

   "1   "   
   1 "
 "8 
  *2   

R

p  "  
   1  "
 "8 
    

R

2
 "1   "   
    1 "
 "8 
  *2   

/   1
$ SELECT * ‰RÑM fyi_links -- Check the old values SELECT * ‰RÑM fyi_links WHERE url = 'dev.fyicenter.com' rÑ id url notes counts created 101 dev.fyicenter.com rood. 999 2006-04-30 -- Update "id" before "counts" UP ATE fyi_links SET id = id+200, counts = id*2 WHERE url = 'dev.fyicenter.com'

rÑ (1 row(s) affected) -- Check the new values SELECT * ‰RÑM fyi_links WHERE url = 'dev.fyicenter.com' rÑ id url notes counts created 301 dev.fyicenter.com rood. 202 2006-04-30 -- Reset to old values UP ATE fyi_links SET id = 101, counts = 999 WHERE url = 'dev.fyicenter.com' (1 row(s) affected) *
" "; ; ";
; 1   7 " "; ;
. "  . "; ;
  ";
;
 *"  p  .  

Π" 5'
  0 "
15)43"
       "  " .
 # 

1  "8 
  "#"
" "   "  
""/88
  " 1
" 1 $ -- Create another table CREATE TABLE fyi_rates (id INTErER, comment *ARCHAR(16)) ro -- Insert some rows in the new table INSERT INTÑ fyi_rates *ALUES (101, 'The best') ro INSERT INTÑ fyi_rates *ALUES (102, 'Well done') rÑ INSERT INTÑ fyi_rates *ALUES (103, 'Thumbs up') ro -- Update fyi_links with values from fyi_rates UP ATE fyi_links SET notes = (

SELECT comment ‰RÑM fyi_rates WHERE fyi_rates.id = fyi_links.id ) WHERE id > 0 AN id < 110 rÑ (3 row(s) affected) -- *iew the updated values SELECT * ‰RÑM fyi_links WHERE id > 0 AN id < 110 rÑ id url notes 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up

counts 999 0 NULL

created 2006-04-30 2007-05-19 2007-05-19

*"  
  
 "   " .  1
  "  . 7; A  M A 7 ;

c
Œ
  5)43"1-$ -   #    "8 
   F43 8 . " # .     *F

 "8 
  " 1
" 1 $ -- insert a new row INSERT INTÑ fyi_links (id, url, notes) *ALUES (0, 'www.fyicenter.com', 'Number one') rÑ (1 row(s) affected) -- view old values SELECT * ‰RÑM fyi_links WHERE id = 0 rÑ id url notes 0 www.fyicenter.com Number one

counts NULL

created 2007-05-23

-- make sure there is no matching row in fyi_rates SELECT * ‰RÑM fyi_rates WHERE id = 0 rÑ 0 rows -- update a subquery returning no rows UP ATE fyi_links SET notes = ( SELECT comment ‰RÑM fyi_rates WHERE fyi_rates.id = fyi_links.id )

WHERE id = 0 (1 row(s) affected) -- view new values SELECT * ‰RÑM fyi_links WHERE id = 0 rÑ id url notes 0 www.fyicenter.com NULL

counts NULL

created 2007-05-23

=;;  "*F

 "  "#

c
Œ
  5)43"1--   #   F43 8 . 1

" "   "  
""/88
   .        " .
"  1
$ -- insert two rows to fyi_rates INSERT INTÑ fyi_rates *ALUES (0, 'Number 1') rÑ INSERT INTÑ fyi_rates *ALUES (0, 'Number 2') rÑ -- make sure there are 2 match rows SELECT * ‰RÑM fyi_rates WHERE id = 0 rÑ id comment 0 Number 1 0 Number 2 -- update with subquery that returns 2 rows UP ATE fyi_links SET notes = ( SELECT comment ‰RÑM fyi_rates WHERE fyi_rates.id = fyi_links.id ) WHERE id = 0 rÑ Msg 512, Level 16, State 1, Line 1 Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, = or when the subquery is used as an expression. The statement has been terminated.  
 "   #  1 .  -%2" .   

Π" 4
 -  4 "


  1    .
"8 8 8  " /88
   " /  8 8 8 $ -- insert a row for this test INSERT INTÑ fyi_links (url, id) *ALUES ('www.myspace.com', 301) rÑ (1 row(s) affected) -- view the inserted row SELECT id, url, notes, counts ‰RÑM fyi_links WHERE id = 301 rÑ id url notes counts 301 www.myspace.com NULL NULL -- delete one row

ELETE ‰RÑM fyi_links WHERE id = 301 rÑ (1 row(s) affected) -- try to view the deleted row SELECT id, url, notes, counts ‰RÑM fyi_links WHERE id = 301 no rows  " '-% 

Π" 4-  04 "
 6
    "      .1
" " /88
   
"  " 1
'" A 7  $ -- view rows to be deleted SELECT id, url, notes, counts ‰RÑM fyi_links WHERE id > 300 rÑ id url notes counts 801 moc.retneciyf.ved Wrong 1202 802 moc.retneciyf.abd Wrong 1204 803 moc.retneciyf.aqs Wrong 1206 -- delete multiple rows

ELETE ‰RÑM fyi_links WHERE id > 300 rÑ (3 row(s) affected)

-- try to view the deleted row SELECT id, url, notes, counts ‰RÑM fyi_links WHERE id > 300 rÑ no rows

Π" 43-  4 "
     ."  $ R F"8 8 8  "/88
  R

F" F*=3 8 3 8 

/  1    " 8 8 8 $ SELECT CÑUNT(*) ‰RÑM fyi_links rÑ 4

ELETE ‰RÑM fyi_links rÑ (4 row(s) affected) SELECT CÑUNT(*) ‰RÑM fyi_links rÑ 0

Π" 43-  "-5$23""3/ 
     ."  $ R F"8 8 8  "/88
  R F" F*=3 8 3 8  " F*=3 8  
"8 8 8  " 1
"

1  F*=3 8 $ SELECT CÑUNT(*) ‰RÑM fyi_rates rÑ 5 TRUNCATE TABLE fyi_rates rÑ SELECT CÑUNT(*) ‰RÑM fyi_rates rÑ 0

Π" ; " "
1
  

 
E "  # ( $ R L $" "   "E 
   R 2L $" "   "E 
  . " "   R

 "2L $" "   "E 
  . " "
 " 

R

:2L $" "   "E 
  ." "  . ""
 " 

R R

Π" c
  
;   #  "  E .
"**8L2*2*
  ":2p
  " 1

  "     "  E  $ A 7    "E 
   " "  "  A 7 # "  " A  $ CREATE TABLE fyi_rates (id INTErER, comment *ARCHAR(16)) rÑ

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

R R R R

INSERT rÑ INSERT rÑ INSERT rÑ INSERT rÑ INSERT rÑ INSERT rÑ INSERT rÑ

INTÑ fyi_rates *ALUES (101, 'The best') INTÑ fyi_rates *ALUES (102, 'Well done') INTÑ fyi_rates *ALUES (103, 'Thumbs up') INTÑ fyi_rates *ALUES (204, 'Number 1') INTÑ fyi_rates *ALUES (205, 'Not bad') INTÑ fyi_rates *ALUES (206, 'rood job') INTÑ fyi_rates *ALUES (207, 'Nice tool')

SELECT fyi_links.id, fyi_links.url, fyi_rates.comment ‰RÑM fyi_links INNER JÑIN fyi_rates ÑN fyi_links.id = fyi_rates.id rÑ id url comment 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up Œ " 4 
5"
13
$
 "
  1 "  .
       " 1
         .E"     " "      ":2p
  " " 
 $ SELECT l.id, l.url, r.comment ‰RÑM fyi_links l INNER JÑIN fyi_rates r ÑN l.id = r.id rÑ id url comment

R R R R R

R R R R R R R R R R R R R R R

R R R R R R R R R R R R R

101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up Π" c
  
  0;   #  " E .
" 8: 2F 8L2* 2*
  ":2p
  " # " E   $ A 7  A  "E 
   " "  " A 7 # "  " A  $ SELECT l.id, l.url, r.comment ‰RÑM fyi_links l LE‰T ÑUTER JÑIN fyi_rates r ÑN l.id = r.id rÑ id url comment 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up 104 www.mysql.com NULL 105 www.oracle.com NULL 106 www.php.net NULL 107 www.winrunner.com NULL *"  E  1 "  "   "E 
  "1 .
"
 "     "1 "E  " 1  7" "   "  1  Π" c
  
- 0;   #  "  "E .
"9/ 2F 8L2* 2*
  ":2p
  " # "  "E   $ A 7  A  "E 
   " "  " A 7 #  "  " A  $ SELECT l.id, l.url, r.comment ‰RÑM fyi_links l RIrHT ÑUTER JÑIN fyi_rates r ÑN l.id = r.id rÑ id url comment 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up NULL NULL Number 1 NULL NULL Not bad NULL NULL rood job NULL NULL Nice tool *"   "E  1 "
 " "    "E 
  "1 .
"      "1 " "E  " 1  " "   7 "  1 

Π" c
  
%0;   #  " E .
":F

2F 8L2*2*
  ":2p
  " # " E  $  A 7  A  "E 
   " "  " A 7 # "  "  A  $ SELECT l.id, l.url, r.comment ‰RÑM fyi_links l

‰ULL rÑ id 101 102 103 104 105 106 107 NULL NULL NULL NULL

ÑUTER JÑIN fyi_rates r ÑN l.id = r.id url dev.fyicenter.com dba.fyicenter.com sqa.fyicenter.com www.mysql.com www.oracle.com www.php.net www.winrunner.com NULL NULL NULL NULL

comment The best Well done Thumbs up NULL NULL NULL NULL Number 1 Not bad rood job Nice tool

3
. E '$ R R

"" "   "E 
   ""  "   "E 
  

R

""
 " "   "E 
  

R R R R R R R R R R R

R R R R R R R R R R R R

Π" c
;   cŒ-2
 B "**8L2*2*
    E .
"E 
   "/88
  " " #1 $ SELECT l.id, l.url, r.comment ‰RÑM fyi_links l, fyi_rates r WHERE l.id = r.id rÑ id url comment 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up Œ " $
 02  8
"
 "#"    B 7"  .
 
   
 "# "3
  "   " 1 $ SELECT tag AS Category, EAR(created) AS ear, CÑUNT(*) AS Counts ‰RÑM fyi_links rRÑUP B tag, EAR(created) ÑR ER B CÑUNT(*) ESC rÑ Category ear Counts SQA 2003 1

E* 2004 1

BA 2005 1

BA 2006 1

E* 2006 1

BA 2007 1 SQA 2007 1

c

1
 2" 
 3#  8 8=    "
 
  " 8 8=    "#
  "/88
     
" "
    ""#  "     "
   F .#   "    $ R

;1 *#;!  "1  
"" " #

R

;1 *2 *#;!  "1  
" " "#

R

;8sqlcmd -S localhost\sqlexpress -U sa -P ‰ Icenter 1> PRINT 'What time is it?'; 2> SELECT rET ATE(); 3> rÑ What time is it? ----------------------2007-05-19 21:51:23.797 (1 rows affected) 1> PRINT 'What time is it?'; 2> PRINT 'It''s '+CAST(rET ATE() AS N*ARCHAR(30)); 3> rÑ What time is it? It's May 19 2007 9:55PM *" "8 8=  #."
"   "   "4*  

Π
2
  4

"51  3      " 
 "  " "E

"$   .
" 
  .   .     .   .   )--+. 
"
.
  .1 .   "           )--+   G " 
 $ R

81
*
!9* .* .p3

* . *6* . .8=p3 .*Fp8=.p2*86.  p3

p2*86

R R R

31  *
!: 23 . 83     !3 8 p8 p3

3 8 p8 =" 
 !=/3.?3=/3.  8< 

R

F
=" 
 !*=/3.*?3=/3. * 8< 

R R

   !*36.?3*36. p398 2"   !=F2. A?33* . 3 8.F* F88* :8. p8 3p4.   '

7"  $
$>>#    "      ":" 
   ""     ""     .  
     "=$>4 : >p
   >&->  
$ .\Analysis Services .\Engine .\Integrated Samples .\Integration Services .\Notification Services .\Replication .\Reporting Services

R R R R R R R R R R R

R

Π  


 
( 

1
3c & "

R

 

37  ""
!  "     3 7  p
.""         $ %9"  )--+         )9"15,
  "
 
 .=
7;3 7  !!).)+%C;  "   "  
$> '

7"  $
$>>3 7   "      ":" 
   ""     ""     ."
        "   
$ =$>4 : >p
  >p %>p >  $ AdventureWorksLT_ ata.mdf 5,120 KB AdventureWorksLT_Log.ldf 2,048 KB Π 

 3c & " 
    3  "    3 7 . 
"     7   "  $ EXEC sp_attach_db @dbname=N'AdventureWorksLT', @filename1=N'C:\Program ‰iles\Microsoft SQL Server' +'\MSSQL.1\MSSQL\ ata\AdventureWorks_ ata.mdf', @filename2=N'C:\Program ‰iles\Microsoft SQL Server' +'\MSSQL.1\MSSQL\ ata\AdventureWorks_Log.ldf' rÑ

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

USE AdventureWorksLT rÑ SELECT TÑP 10 CustomerI , ‰irstName, LastName, Phone ‰RÑM SalesLT.Customer rÑ CustomerI ‰irstName LastName Phone 1 Ñrlando ree 245-555-0173 2 Keith Harris 170-555-0127 3

onna Carreras 279-555-0130 4 Janet rates 710-555-0173 5 Lucy Harrington 828-555-0186 6 Rosmarie Carroll 244-555-0112 7

ominic rash 192-555-0173 10 Kathleen rarza 150-555-0127 11 Katherine Harding 926-555-0159 12 Johnny Caprio 112-555-0191

7 7"    3 7    

R

Π3c & "
1



R R R

" %)   3 7 $ USE AdventureWorksLT rÑ

R R R R R R R R R R R R R R R R R R R R

SELECT s.name, t.name, t.type_desc ‰RÑM sys.tables t, sys.schemas s WHERE t.schema_id = s.schema_id ÑR ER B s.name rÑ s.name t.name t.type_desc dbo Build*ersion USER_TABLE dbo ErrorLog USER_TABLE SalesLT Address USER_TABLE SalesLT Customer USER_TABLE SalesLT CustomerAddress USER_TABLE SalesLT Product USER_TABLE SalesLT ProductCategory USER_TABLE SalesLT Product escription USER_TABLE SalesLT ProductModel USER_TABLE SalesLT ProductModelProduct escription USER_TABLE SalesLT SalesÑrder etail USER_TABLE SalesLT SalesÑrderHeader USER_TABLE /  88     L  B"  $

 R R R R

Π 


  3c & "   
    3 7 .
    
 ";  3; 3 7 $ USE AdventureWorksLT rÑ

R R R R R R R R R R R R R R R R R R R R

R R R R R R R

INSERT SalesLT.Address (AddressLine1, City, StateProvince, CountryRegion, PostalCode) *ALUES('1 Main Street', 'Java', 'Ñracle', '‰ I', 'Center') rÑ SELECT * ‰RÑM SalesLT.Address WHERE CountryRegion = '‰ I' rÑ AddressI /AddressLin1/AddressLine2/City/StateProvince /CountryRegion/PostalCode/rowguid /Modified ate 11384/1 Main Street/NULL/Java/Ñracle /‰ I/Center/6073 ‰AE-9803-4B4‰-B60E- 9742C0EE 1

/2007-05-19 19:24:44.140 c
3 3 1  
    E
 
 "    "    
"   3 1
   
 
     1     
  ." 1
      " 
 " 
  " :1 . "   " 

;
 A; 
   1" 
 "
"   " 1 7 7"   " 
$

 3" "  
.
 "
 AM%0

"  """ 1 Π" 2

 
 "
1    1 1   .
"=83 8*8 100 ÑR ER B counts ESC; rÑ SELECT rÑ id -----36470 12292 6192

TÑP 3 * ‰RÑM fyi_links_top; counts url ------- ------------------------------------------999966 dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb 999953 qebmw v qqmywe q kza wskxqns jnb 999943 p o qisvrakk hk od

Π"    5   
 ' "  1   .  
" " 8 8=  .
" ;3 8?8;  "  " 1
"" 

1   $ USE ‰yiCenter ata; rÑ ALTER *IEW fyi_links_top AS SELECT TÑP 3 id, counts, url ‰RÑM fyi_links WHERE counts > 100 ÑR ER B counts ESC;

rÑ SELECT rÑ id -----36470 12292 6192

* ‰RÑM fyi_links_top; counts url ------- ------------------------------------------999966 dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb 999953 qebmw v qqmywe q kza wskxqns jnb 999943 p o qisvrakk hk od

2
9 4

 
' =       S "    "#  ;=     "  "" S; "  "         "  ""   " 
  $ R " 
  
     " 1
""       ""  $ USE ‰yiCenter ata; rÑ ALTER *IEW fyi_links_top AS SELECT TÑP 3 id, counts, url ‰RÑM fyi_links WHERE counts > 100 ÑR ER B counts ESC; rÑ INSERT INTÑ fyi_links_top *ALUES(100001, 1000001, 'dba.fyicenter.com'); rÑ SELECT rÑ id -----100001 36470 12292

* ‰RÑM fyi_links_top;

SELECT rÑ id -----100001

TÑP 1 * ‰RÑM fyi_links ÑR ER B

counts ------1000001 999966 999953

url ------------------------------------------dba.fyicenter.com dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb qebmw v qqmywe q kza wskxqns jnb counts ESC;

url notes counts created ----------------- ----- ----------- ---------dba.fyicenter.com NULL 1000001 2007-05-19

2
9 5
4


' =       S "    "#  ;=     "  "" S; "  "         "  ""   "  1
  1 $ UP ATE fyi_links_top SET url = RE*ERSE(url) WHERE id = 100001; rÑ SELECT rÑ id -----100001 36470 12292

* ‰RÑM fyi_links_top;

SELECT rÑ id -----100001

TÑP 1 * ‰RÑM fyi_links ÑR ER B

counts ------1000001 999966 999953

url ------------------------------------------moc.retneciyf.abd dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb qebmw v qqmywe q kza wskxqns jnb counts ESC;

url notes counts created ----------------- ----- ----------- ---------moc.retneciyf.abd NULL 1000001 2007-05-19

2
9 44

  
' =      S "    "#  ;=   "  "" S; "   "      "  ""   "  1
  1 $

ELETE ‰RÑM fyi_links_top WHERE id = 100001; rÑ SELECT rÑ 36470 12292 6192

* ‰RÑM fyi_links_top;

SELECT rÑ id -----36470

TÑP 1 * ‰RÑM fyi_links ÑR ER B

999966 999953 999943

dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb qebmw v qqmywe q kza wskxqns jnb p o qisvrakk hk od counts ESC;

url ... ------------------------------------------- ... dgqnvmy pyjqd toqcoupuxortasdtzvcae jonfb ...

Π" 3 $2 $

'  .
      " 8 8=    ." 8 8=  
  
"  
  1  "
    " 
.    " B
 " 1

      
 

  
 "  
=?=   ? $ CREATE *IEW fyi_links_dump AS SELECT CÑN*ERT(*ARCHAR(20),id) + ', ' + CÑN*ERT(*ARCHAR(20),counts) + ', ''' + url + '''' ‰RÑM fyi_links WHERE counts > 1000 rÑ Msg 4511, Level 16, State 1, Procedure fyi_links_dump, Line 2 Create *iew or ‰unction failed because no column name was specified for column 1. CREATE *IEW fyi_links_dump (Line) AS SELECT CÑN*ERT(*ARCHAR(20),id) + ', ' + CÑN*ERT(*ARCHAR(20),counts) + ', ''' + url + '''' ‰RÑM fyi_links WHERE counts > 1000 rÑ SELECT TÑP 3 * ‰RÑM fyi_links_dump rÑ Line -----------------------------------------------------------7600, 237946, ' eyfndw jdt lee ztejeyx l q jdh k ' 19437, 222337, ' eypx u x' 55924, 1877, ' eyq ntohxe i rtnlu riwaskzp cucoa dva c rc' " =83 8?8  .
"8 8=  
 "

  .  
  
 1


Π" 3 $2 $

'  .
      " 8 8=    ." 8 8=  
  
"  
  1  "
    " 
.    " B
 " 1

      
 

  
 "  
=?=   ? $ CREATE *IEW fyi_links_dump AS SELECT CÑN*ERT(*ARCHAR(20),id) + ', ' + CÑN*ERT(*ARCHAR(20),counts) + ', ''' + url + ''''

‰RÑM fyi_links WHERE counts > 1000 rÑ Msg 4511, Level 16, State 1, Procedure fyi_links_dump, Line 2 Create *iew or ‰unction failed because no column name was specified for column 1. CREATE *IEW fyi_links_dump (Line) AS SELECT CÑN*ERT(*ARCHAR(20),id) + ', ' + CÑN*ERT(*ARCHAR(20),counts) + ', ''' + url + '''' ‰RÑM fyi_links WHERE counts > 1000 rÑ SELECT TÑP 3 * ‰RÑM fyi_links_dump rÑ Line -----------------------------------------------------------7600, 237946, ' eyfndw jdt lee ztejeyx l q jdh k ' 19437, 222337, ' eypx u x' 55924, 1877, ' eyq ntohxe i rtnlu riwaskzp cucoa dva c rc' " =83 8?8  .
"8 8=  
 "

  .  
  
 1


Π" /
'   
  5 "
1  .  "
" "   "  "      
"   B
"   :1 .
"   " 7" 2
."   7"     B  
"   B
" 
  "  .

      ""; /=/8p3**9;
  " "
"    3   " "  $ R R

="    B
"     "1     1

    

" 1
""
     "; /=/8p3**9;$

RÑP *IEW fyi_links_view; rÑ CREATE *IEW fyi_links_view (I , ateString, CountUrl) WITH SCHEMABIN INr AS SELECT id, CÑN*ERT(*ARCHAR(16), created, 107), CÑN*ERT(*ARCHAR(20),counts)+' - '+url ‰RÑM fyi_links_copy WHERE counts > 1000; rÑ Msg 4512, Level 16, State 3, Procedure fyi_links_view,

Line 3 Cannot schema bind view 'fyi_links_view' because name 'fyi_links_copy' is invalid for schema binding. Names must be in two-part format and an object cannot reference itself. CREATE *IEW fyi_links_view (I , ateString, CountUrl) WITH SCHEMABIN INr AS SELECT id, CÑN*ERT(*ARCHAR(16), created, 107), CÑN*ERT(*ARCHAR(20),counts)+' - '+url ‰RÑM dbo.fyi_links_copy WHERE counts > 1000; rÑ Command(s) completed successfully.

RÑP TABLE fyi_links_copy; rÑ Msg 3729, Level 16, State 1, Line 1 Cannot RÑP TABLE 'fyi_links_copy' because it is being referenced by object 'fyi_links_view'. "
  " =83 8?8  "  1"   " "
"   "
  "24 3 8  " 

" "    "    

Π" 2

 
'  
"       "  .  
   1"  
"
 " 1
""
   #
 1  

RÑP *IEW fyi_links_view; rÑ CREATE *IEW fyi_links_view (I , UrlReversed) AS SELECT id, RE*ERSE(url) ‰RÑM fyi_links_copy WHERE counts > 1000; rÑ CREATE UNIQUE CLUSTERE IN EX date_string ÑN fyi_links_view (I ); rÑ Cannot create index on view 'fyi_links_view' because the view is not schema bound. ALTER *IEW fyi_links_view (I , UrlReversed)

WITH SCHEMABIN INr AS SELECT id, RE*ERSE(url) ‰RÑM dbo.fyi_links_copy WHERE counts > 1000; rÑ CREATE UNIQUE CLUSTERE IN EX date_string ÑN fyi_links_view (I ); rÑ EXEC SP_HELP fyi_links_view; rÑ index_name index_description index_keys ----------- ------------------------------------ ---------date_string clustered, unique located on PRIMAR I

c
3 )  3
  

   
!  "  "  3 

1
  " 8NULL is returning ‰ALSE' ELSE PRINT '1>NULL is not returning ‰ALSE' rÑ 1>NULL is not returning ‰ALSE 3" " ;B:6BM*F

;   F8:3 8   "  . *F

$ I‰ '‰ I'=NULL PRINT '''‰ I''=NULL returns TRUE' ELSE PRINT '''‰ I''=NULL does not return TRUE' rÑ '‰ I'=NULL does not return TRUE I‰ NÑT '‰ I'=NULL PRINT '''‰ I''=NULL returns ‰ALSE' ELSE PRINT '''‰ I''=NULL does not return ‰ALSE' rÑ '‰ I'=NULL does not return ‰ALSE

c
Œ
 $5

'
3 / 
0
  *F

         ."   "  :3* .:3 8 7

 *F

 "
  G    $ AN

TRUE ‰ALSE NULL TRUE true false null ‰ALSE false false false NULL null false null :2 . F8 7

 *F

 "
  G    $

ÑR TRUE ‰ALSE NULL

TRUE true true true

‰ALSE true false null

NULL true null null

" 
 "" *F

3*:3 8:3 8$ I‰ 0=NULL AN 0=1 PRINT 'NULL AN ‰ALSE returns TRUE' ELSE PRINT 'NULL AN ‰ALSE does not returns TRUE' rÑ NULL AN ‰ALSE does not returns TRUE I‰ NÑT (0=NULL AN 0=1) PRINT 'NULL AN ‰ALSE returns ‰ALSE' ELSE PRINT 'NULL AN ‰ALSE does not returns ‰ALSE' rÑ NULL AN ‰ALSE returns ‰ALSE

Π" "$5

'
)  :  . " 
  1  "*F

   *F

 

     1  *F

  1 *F

 ."" 
 $ expression IS NULL -- Returns TRUE if the expression is a NULL value expression IS NÑT NULL -- Returns TRUE if the expression is not a NULL value " 
 ""*F

 *2 *F

$ I‰ 0 IS NULL PRINT 'TRUE' ELSE PRINT '‰ALSE'; rÑ ‰ALSE I‰ NULL IS NULL PRINT 'TRUE' ELSE PRINT '‰ALSE'; rÑ TRUE I‰ 1+NULL IS NULL PRINT 'TRUE' ELSE PRINT '‰ALSE'; rÑ TRUE I‰ 'NULL' IS NÑT NULL PRINT 'TRUE' ELSE PRINT '‰ALSE';

rÑ TRUE

Π" -
$5

'
  $5

+. 3   .*F

  1  
"   *F

 . *F

 
 "  . 7 -.BB.B*F

B." 1 
       ! 
 
*F

"
*F

   1 $ ISNULL(expression, replacement) -- Returns "expression", if it is not NULL -- Returns "replacement", if "expression" is NULL " 1 ""
 *F

  K A   $ USE ‰yiCenter ata; rÑ CREATE PRÑCE URE welcome @first_name *ARCHAR(20), @middle_initial *ARCHAR(1), @last_name *ARCHAR(20) AS PRINT 'Hello '+@first_name + ' '+@middle_initial + ' '+@last_name; PRINT 'Hello '+@first_name + ' '+ISNULL(@middle_initial,'') + ' '+@last_name; rÑ EXEC welcome 'John', 'W', 'King'; rÑ Hello John W King Hello John W King EXEC welcome 'John', NULL, 'King'; rÑ Hello John

King

" 4*   "
  7 
*F

 

Π" -
*'
 $5

 $5

%+.   " 
  
" "*F

     

 
*F

:" $

NULLI‰(expression, value) -- Returns NULL if "expression" equals to value" -- Returns "expression", otherwise *F

:
  " 
 *F

 " 
 "  1  *F

:$ USE ‰yiCenter ata; rÑ SELECT id, counts ‰RÑM fyi_links; rÑ id counts ----------- ----------101 NULL 102 8 1101 NULL 202 NULL 2101 NULL 2102 NULL 301 NULL 302 NULL -- converting NULL to 0 UP ATE fyi_links SET counts=ISNULL(counts,0); rÑ SELECT id, counts ‰RÑM fyi_links; rÑ id counts ----------- ----------101 0 102 8 1101 0 202 0 2101 0 2102 0 301 0 302 0 -- converting 0 to NULL UP ATE fyi_links SET counts=NULLI‰(counts,0); rÑ SELECT id, counts ‰RÑM fyi_links; rÑ id counts ----------- ----------101 NULL

102 1101 202 2101 2102 301 302

8 NULL NULL NULL NULL NULL NULL

c
  5    )--+    
    '

$ R


 !8   
" 
:1 .        
 

R

4 
 !8   " #


:1 .      
 

R

4  ! 

 
 "
 4  
   7 
 :1 .;F ;     
 
 . ;; ;F ;;;
   
 .;F;*;F; ;F ;

  ;;

 .  
  "
 # ;" S;H 
   "
 # ;"   E
S;H    "
 #  ;6  " 
 "  E
;   )--+ 
    
   G "  
"
 
 " " 
$

4
p




c
3)
5    )--+   

  
 
   $ R

 !  4 
 $  
    *7   !F


    


R

  !  4 
 $    !F


    


R

   !  4 
 $   F!F


     




     
.        
  "    
2
 . "     
  
  "  


 

    " .    
""       " "    "  
.  "   
  
  "    

c
 )

  "
-9   
  
    " " 
 ""  " 
  "  "
  
 "       7
  
  "   "  "  
  
  S "   !"   

"  " :1 . 

"  ""   ; ;."
  
  ; ; "   2 F 1."  

 
;"  ;"
"
  
  "       
 
A ."
" 
  
     "    "  1 $ -- ‰ind out your security principal at the server level PRINT Suser_Sname(); rÑ sa " 1 "" ; ; "  

" 

c
 )

 4

1
 "
-9   
  
    " " 
 ""  " 
  "   "
  
 "       7
  
  "     "  "    
  
  S "   !"  "
   " "    :1 . 

 "  ""  ; ;. ;: =  ; "
   .     ; ;    ;: =  ; 
 "     
  
 ;: =  ; "     2 F 1."  

 
;"  ;"
"
  
  "       
 
FA* ."
"
   
    "   "       "   1 $ PRINT Suser_Sname(); rÑ sa USE ‰yiCenter ata; rÑ -- ‰ind out your security principal at the database level PRINT User_Name(); rÑ dbo

" 1 "" ;;   ;: =  ;"    ; ;

Π" 2

$ $
    .   " "; ;3     

  "  "    

" .  
; ;" "3

   6
        ".  "  
    .
";=83 8 29*;     1 7 " $ CREATE LÑrIN login_name WITH PASSWÑR = 'password' ;=83 8 29*; .

"  "      7; ;" 1 $ -- Login with 'sa' -- Create new login names CREATE LÑrIN ‰ I_ BA WITH PASSWÑR = 'AB _I ‰' rÑ Command(s) completed successfully. CREATE LÑrIN ‰yi_Login WITH PASSWÑR = 'I ‰' rÑ

Π" ' 
 
  24"  "#
7           " =p."
"  7"  .       
  / "  $   
   " 
 $ C:\>SQLCM -S LÑCALHÑST\SQLEXPRESS -U ‰ I_ BA -P AB _I ‰ 1> PRINT Suser_Sname(); 2> rÑ ‰ I_ BA 1> QUIT C:\> " ":6A3      "  

*" 
 $ C:\>SQLCM -S LÑCALHÑST\SQLEXPRESS -U ‰ I_ E* -P AB _I ‰ Msg 18456, Level 14, State 1, Server LÑCALHÑST\SQLEXPRESS, Line 1 Login failed for user '‰ I_ E*'. C:\> " ":6A8?     "   



Π"  3 $
  

       " .
" .  A 
  " "  1
$ -- Login with sa SELECT name, sid, type, type_desc ‰RÑM sys.server_principals WHERE type = 'S'; rÑ name sid type type_desc -------- ----------------------------------- ---- --------sa 0x01 S SQL_LÑrIN ‰ I_ BA 0x348A‰32B3B58CB40B67A5‰5B7086B96E S SQL_LÑrIN ‰yi_Login 0x5EB8701EAEBAA74‰86‰C‰5B 8E37B8C5 S SQL_LÑrIN "   "  " 

Π" 2
  )
  
 $
   " " "  .
"  "" ;3 8 29*;  " "  1 $ -- Login with sa ALTER LÑrIN ‰ I_ BA WITH PASSWÑR = 'fyicenter'; rÑ Command(s) completed successfully. :6A3B  
"    "" =p$ C:\>SQLCM -S LÑCALHÑST\SQLEXPRESS -U ‰ I_ BA -P fyicenter 1> QUIT 6
 ";3 8 29*;
"  

Π" 2
 
 $
  
"    .
";3 8 29*;  " "   1 $ -- Login with "sa" -- Change login name ALTER LÑrIN ‰yi_Login WITH NAME = ba_Login; rÑ -- *iew login names SELECT name, sid, type, type_desc ‰RÑM sys.server_principals WHERE type = 'S'; rÑ name sid type type_desc -------- ----------------------------------- ---- ---------

sa 0x01 ‰ I_ BA 0x348A‰32B3B58CB40B67A5‰5B7086B96E

ba_Login 0x5EB8701EAEBAA74‰86‰C‰5B 8E37B8C5

S S S

SQL_LÑrIN SQL_LÑrIN SQL_LÑrIN

Π" 4
1
 $
         .
";3 8 29*;  "  3 87    .
"8*3 87 "  1
""      ; A  ;$ -- Login with "sa" -- isable a login ALTER LÑrIN ‰yi_Login ISABLE; -- *iew login status SELECT name, type, type_desc, is_disabled ‰RÑM sys.server_principals WHERE type = 'S'; rÑ name type type_desc is_disabled ----------- ---- ---------- ----------sa S SQL_LÑrIN 0 ‰ I_ BA S SQL_LÑrIN 0

ba_Login S SQL_LÑrIN 1 *  ""    $ C:\>SQLCM -S LÑCALHÑST\SQLEXPRESS -U ba_Login -P I ‰ Msg 18470, Level 14, State 1, Server LÑCALHÑST\SQLEXPRESS Login failed for user ' ba_Login'. Reason: The account is disabled. C:\> "    ; A  ;$ -- Login with "sa" -- Enable a login ALTER LÑrIN ‰yi_Login ENABLE;

Π" 4
 $
 B 7    ."  ";24 29*;   " "  1 $ -- Login with "sa"

RÑP LÑrIN ba_Login; rÑ Command(s) completed successfully.

-- *iew login names SELECT name, sid, type, type_desc ‰RÑM sys.server_principals WHERE type = 'S'; rÑ name sid type type_desc -------- ----------------------------------- ---- --------sa 0x01 S SQL_LÑrIN ‰ I_ BA 0x348A‰32B3B58CB40B67A5‰5B7086B96E S SQL_LÑrIN

Π" 2

5$

4

1
 F  
  
  "         





   .
    "      7 "   =    
 ";=83 8F8;  " "   1
$ -- Login with "sa" -- Create a login CREATE LÑrIN ‰yi_Login WITH PASSWÑR = 'I ‰' rÑ -- Select a database USE ‰yiCenter ata; rÑ -- Create a user and link it to a login CREATE USER ‰yi_User ‰ÑR LÑrIN ‰yi_Login; rÑ

  ;: A  ;" 

   ;: =  ;""  ;: AF;

Π"  35$

4

1
            .
" .    A 
  " "  1
$ -- Login with sa -- Select a database USE ‰yiCenter ata; rÑ -- List all user names SELECT name, sid, type, type_desc ‰RÑM sys.database_principals WHERE type = 'S';

rÑ name -------------------dbo guest IN‰ÑRMATIÑN_SCHEMA sys ‰yi_User (5 row(s) affected)

sid -----------------------0x01 0x00 NULL NULL 0x5EB8701EAEBAA74‰86‰...

type ---S S S S S

type_desc --------SQL_USER SQL_USER SQL_USER SQL_USER SQL_USER

3
." +   ;: =  ;(      "   
  
2" ;: AF;   "   

Π" %  $
 & 
*5$
 7          "
"    7"   .
"
7"
 "  " $ R

8
"    
  #

R

"    7   ."  B 
 " 

"   7  " " "  " 1
 "" "  "   7" ;: AF;$ -- Login with sa USE ‰yiCenter ata; rÑ SELECT u.name AS User_Name, l.name AS Login_Name, u.sid ‰RÑM sys.server_principals l, sys.database_principals u WHERE l.sid = u.sid AN u.name = '‰yi_User'; rÑ User_Name Login_Name sid ---------- ----------- ---------------------------------‰yi_User ‰yi_Login 0x5EB8701EAEBAA74‰86‰C‰5B 8E37B8C5 (1 row(s) affected)

Π" ' 
5
  24"  "#
7            " =p6


" .
"   . 
"
7"
"   7"
    "   
   " 
 $ C:\>SQLCM -S LÑCALHÑST\SQLEXPRESS -U ‰yi_Login -P I ‰ 1> USE ‰yiCenter ata;

2> rÑ Changed database context to '‰yiCenter ata'. 1> PRINT User_Name(); 2> rÑ ‰yi_User " ";: AF;    ;: =  ;  7  ;: A  ;

Π" 2
  $
 
4

1
5  
" "  1     .
";3 8F8;   " " 1
$ -- Login with "sa" USE ‰yiCenter ata; rÑ ALTER USER ‰yi_User WITH NAME = ba_User; rÑ -- List all user names SELECT name, sid, type, type_desc ‰RÑM sys.database_principals WHERE type = 'S'; rÑ name sid type -------------------- ------------------------ ---dbo 0x01 S guest 0x00 S IN‰ÑRMATIÑN_SCHEMA NULL S sys NULL S

ba_User 0x5EB8701EAEBAA74‰86‰... S

type_desc --------SQL_USER SQL_USER SQL_USER SQL_USER SQL_USER

"" 
" ;: AF;; AF;

Π" 4
 4

1
5 B 7     ."" ";24 F8;  "  1
""; AF;$ -- Login with "sa" USE ‰yiCenter ata; rÑ

RÑP USER ba_User; rÑ

-- List all user names SELECT name, sid, type, type_desc ‰RÑM sys.database_principals WHERE type = 'S'; name sid type -------------------- ------------------------ ---dbo 0x01 S guest 0x00 S IN‰ÑRMATIÑN_SCHEMA NULL S sys NULL S

type_desc --------SQL_USER SQL_USER SQL_USER SQL_USER

F; AF;"   %3 (2    04/22  
4$   è


)è


 * +  &
   

 
 

 

 & * + 
  +

 ,-(, 



 % ,-(,

 
* +  &

!è



c
04

1
2 
 +04/2. 2=.2   =
 .   34 
   
  p
  
 

 "        

     "" 2=   
  . " # $ R

32= 

 "    

R

32=*  
* ! 2=
    "2=       

R

32=343
 4  
 
   
 "     """2= 

:1 .       4/4
 "" 2= . 7 " $ R

32= p  ! "2=      "  

R

32=*!6
  "2=
   

R

32=34 4/4  ! "34     "4/4 

Π" 3
$4$  04/24   3 " "2=   "     " . "1 2=

    
  *  
 *  ""2=  
3   $ R

9=4 

R R R

93        
2= "2=  
3    " 9* 

R

=
7"3

6"   2=     2= " " 7 "
. "  2=  "   )---5+%%%0--.  ?')

. 5J(J)--($






;  ;"2=  . 

7;:  "; ";=  *   
  ; G  "=  ""1   "
    *

Π" 4  $

 
4$ =  "  ." 
";=  *  
   ; G ."' $* .
  .   $ Name: ‰ I_SQL_SER*ER

escription: ‰ Icenter.com SQL Server Server: LÑCALHÑST "
$





*" "  
  

" "7 
"  ""    " 1 . 2=3 /2  "
"   
 =
7*1 
  ""1   "
   *

Π" )   
  
$04/24$ = "  3

7 *1" 
";=  *   
  ; G .""

 7 
    .     
"  ; "   "
       "3    $; ;  4  $;:6
;"
$





" ; ; "      . "     ";:6
;"

   "  ; ;    =
7*1 
  ""1   "
   *

c 39 *  c 2
 
$04/24$ = "  3

7 *1"     
.2=    

"   ""      3     .  1  " $ Connection failed: SQLState: '01000' SQL Server Error: 53 [Microsoft][Ñ BC SQL Server river][ BNETLIB] ConnectionÑpen(Connect()). Connection failed:

SQLState: '08001' SQL Server Error: 17 [Microsoft][Ñ BC SQL Server river][ BNETLIB] SQL Server does not exist or access denied. "
$





"  "  $ R R

  !6   

     
  7 7

 !6
"
7"  
   

R

   !6  

   

"  "        

 "
 # "     =  ""1 
    7 7

 

c
3 -  $ &2    .  )--+818     

 
 $ R

" p!  

 
 
 "   "  
" ""    :1 .    =p"   
" .  ";" p;


  
 "   

 

"    "; =4J4;
 : 
 "   " 
"  "  ." ;" p;
.  "; =4J4;
" 
  2=p     
 " # "; =4J4;


"   "  

7

 .    
"  
"   ." #    

7

 $ R    
"  
"  R

8 " =4J4
"  

R R

Π" 
 /    
     "      
"
  7    
 "   

7

 ."$

R R R R R R R

R R R R

R R R R R R

R R R R R R R R R R R R

%9=4 @3      )

7;
; "
 " '

7;  ; "  1" (=" ";  ;  3 
 "

7"  ";  ;
"  Π" 
1"2)6))    
   ." =4J4
 "      

   7   
 

 

"  . " =4J4
"  "  $ %9 @34 @p
  )--+@=    @   =   p   )

7;  )--+*7=   ;"     
 '=
7;4
 8