PostScript プリンタとしてご利用のお客様へ - エプソン4 本書中のマーク、表記について 本書中のマーク、表記について マークについて
download.microsoft.comdownload.microsoft.com/.../SQL08_R2_SelfLearning05_T… · Web viewccent ....
Transcript of download.microsoft.comdownload.microsoft.com/.../SQL08_R2_SelfLearning05_T… · Web viewccent ....
SQL Server 2008 R2 No.5
Transact-SQL
Published: 2008 4 6
SQL Server 2008 R2 : 2010 6 24
SQL Server 2008 No.1 SQL Server
2
( Microsoft Corporation Microsoft MicrosoftSQL ServerVisual StudioWindowsWindows XPWindows ServerWindows Vista Microsoft Corporation Copyright 2010 Microsoft Corporation. All rights reserved.)
SQL Server 2008 R2 No. Transact-SQL
93
STEP 1.Transact-SQL 5
1.1Transact-SQL 6
1.27
1.3 8
STEP 2.Transact-SQL 10
2.1DECLARE11
2.213
2.314
2.4go16
2.517
2.6-- /* */18
2.7PRINT 19
STEP 3.21
3.1IF 22
3.2IF ELSE24
3.3IF EXISTSIF NOT EXISTS26
3.4CASE 28
3.5WHILE 30
3.6+=31
3.7GOTO 32
3.8WAITFOR DELAY 33
3.9Oracle PL/SQL 34
STEP 4.Collation35
4.136
4.2Japanese_CI_AS SQL Server 2008 R2 38
4.341
4.443
4.5SQL 46
STEP 5.48
5.149
5.2 charvarchar50
5.38,000 varchar(max)53
5.4Unicode ncharnvarchar54
5.5 tinyintsmallintintbigint59
5.6 decimalnumeric63
5.7 realfloat65
5.8 smallmoneymoney66
5.9datetimedatetimedatetime2datetimeoffset68
STEP 6.74
6.175
6.2 CONVERTCAST80
6.385
6.489
6.5NULL 90
6.691
6.7Oracle 94
STEP 1. Transact-SQL
STEP Transact-SQL
STEP
Transact-SQL
Transact-SQL
Transact-SQL
Transact-SQLT-SQLSQL Server SQL Server Transact-SQL
SQL Server SQL Server Transact-SQL
SQLANSI SQL92 Transact-SQL
RDBSELECTINSERTUPDATEDELETESQL ANSI ISOJISCSQL SQL SQL
1992ANSI SQL92SQL 1999SQL992003SQL2003
SQL SQL Server Transact-SQL Oracle PL/SQLPostgreSQL PL/pgSQL SQL Dialect
OS
Windows Server 2003 SP2Service Pack 2 Windows Server 2003 R2 SP2 Windows XP Professional SP3 Windows Vista Windows 7 Windows Server 2008 SP2 Windows Server 2008 R2
SQL Server 2008 R2
OS Windows Server 2008 R2x64 SQL Server 2008 R2 Enterprise x64
Management Studio CreateTableEmp.txtsampleDBemp
Management Studio Microsoft SQL Server 2008 R2SQL Server Management Studio
SQL Server
1. Management Studio
1. Windows CreateTableEmp.txt
sampleDBempemp 9STEP 3
STEP 2. Transact-SQL
STEP Transact-SQL PRINT
STEP
DECLARE
go
-- /* */
DECLARE
Transact-SQL Local VariableDECLARESELECTSET
DECLARE
DECLARE @
@STEP5
SELECT SET
SELECT @ =
SET @ =
Let's Try
1. Management Studio int@x
DECLARE @x int
SELECT @x = 88
SELECT @x
DECLARE @xSELECT "88" SELECT @x
SELECT SET
DECLARE @y int
SET @y = 66
SELECT @y
Transact-SQL DECLARESELECTSET
SQL Server 2008 DECLARE
DECLARE @ =
=
Let's Try
1. @z "888"
DECLARE @z int = 888
SELECT @z
SQL Server 2008
DECLARE
DECLARE @1 [= ], @2 [= ],
,
Let's Try
1. @x@y@z 3
DECLARE @x int, @y int, @z varchar(20)
SELECT @x = 88
SELECT @y = 99
SELECT @z = 'AAAAA'
SELECT @x, @y, @z
SELECT
SELECT
DECLARE @x int, @y int, @z varchar(20)
SELECT @x = 88, @y = 99, @z = 'AAAAA'
SELECT @x, @y, @z
SELECT
DECLARE @x int = 88, @y int = 99, @z varchar(20) ='AAAAA'
SELECT @x, @y, @z
Note SET
SET SELECT
SET 11
go
Transact-SQL SQL Server 1
DECLARE
go
Transact-SQL gogo
DECLARE go
go
Transact-SQL ;
Let's Try
1.
DECLARE @x int;SELECT @x = 99;SELECT @x;
DECLARE SELECT 1;
1.
DECLARE @x int SELECT @x = 99 SELECT @x
Note Transact-SQL
Transact-SQL
-- /* */
Transact-SQL --2/**/ -- 1/**/
Let's Try
1. --1
DECLARE @x int --
SELECT @x = 99 --
--
SELECT @x
--
/**/
/*
*/
/**/
PRINT ''
PRINT SQL
Let's Try
1.
PRINT ''
DECLARE @x int
SELECT @x = 99
PRINT @x
Transact-SQL +
DECLARE @x int
SELECT @x = 99
PRINT '' + @x
@x intTransact-SQL Visual Basic
CONVERTvarcharSTEP5 STEP6
DECLARE @x int
SELECT @x = 99
PRINT ' ' + CONVERT( varchar, @x )
Note CONVERT CAST
STEP6 CONVERT CAST CAST
STEP 3.
STEP Transact-SQL IFIF EXISTSCASE WHILE
STEP
IF
IF ELSE
IF EXISTSIF NOT EXISTS
CASE
WHILE
+=
GOTO
WAITFOR DELAY
IF
IF
Transact-SQL IF
IF ()
[ BEGIN ]
true
[ END ]
BEGIN END 1
Let's Try
1.
DECLARE @x int
SET @x = DATEPART( hour, GETDATE() )
IF @x < 12
BEGIN
PRINT ''
END
GETDATE DATEPART @x STEP6
IF @x < 12 1212
IF
IF ( @x < 12 )
BEGIN
PRINT ''
END
BEGIN END
IF 1BEGIN END
IF @x < 12
PRINT ''
Note BEGIN END
BEGIN END 1
IF @x < 12
PRINT ''
SELECT * FROM emp
IF SELECT * FROM emp
IF @x < 12
BEGIN
PRINT ''
END
SELECT * FROM emp
SELECT * FROM empBEGIN END
IF ELSE
IF ELSE
Transact-SQL ELSE IF
IF
[ BEGIN ]
true
[ END ]
ELSE
[ BEGIN ]
false
[ END ]
Let's Try
1. STEP ELSE
DECLARE @x int
SET @x = DATEPART( hour, GETDATE() )
IF @x < 12
BEGIN
PRINT ''
END
ELSE
BEGIN
PRINT ''
ENDIF
0 12
IF ELSE 1BEGIN END
IF @x < 12
PRINT ''
ELSE
PRINT ''
IF
IF IF IF
012
12517
517
DECLARE @x int
SET @x = DATEPART( hour, GETDATE() )
IF @x < 12
BEGIN
PRINT ''
END
ELSE
BEGIN
IF @x < 17
BEGIN
PRINT ''
END
ELSE
BEGIN
PRINT ''
END
END
IF Transact-SQL ElseIf IF
IF EXISTSIF NOT EXISTS
IF EXISTSIF NOT EXISTS
IF EXISTS IF NOT EXISTS SELECT Exist
IF [ NOT ] EXISTS ( SELECT
[ BEGIN ]
[ END ]
ELSE
[ BEGIN ]
[ END ]
IF EXISTS SELECT Exist BEGIN END IF NOT EXISTS
Let's Try
1. sampleDBemp SELECT IF EXISTS
USE sampleDB
IF EXISTS ( SELECT * FROM emp )
BEGIN
PRINT ''
END
emp 9PRINT
WHERE empno=9999ELSE
IF EXISTS ( SELECT * FROM emp
WHERE empno = 9999 )
BEGIN
PRINT ''
END
ELSE
BEGIN
PRINT ''
END
emp empno 9999ELSE PRINT
IF NOT EXISTS
IF NOT EXISTS ( SELECT * FROM emp
WHERE empno = 9999 )
BEGIN
PRINT ''
END
CASE
CASE
CASE Visual Basic Select CaseC Java switch
CASE [ ]
WHEN 1 THEN 1
WHEN 2 THEN 2
:
ELSE
END
CASE IF IF EXISTS SELECT
Let's Try
1. STEP IF CASE
DECLARE @x int
SET @x = DATEPART( hour, GETDATE() )
SELECT
CASE
WHEN @x < 12 THEN ''
WHEN @x < 17 THEN ''
ELSE ''
END
0 12 12 17
CASE
CASE SELECT IF IF EXISTS CASE THEN PRINT
CASE
CASE
SELECT @msg=''SELECT @msg=''@msg @x STEP IF CASE
WHILE
WHILE
WHILE
WHILE ()
[ BEGIN ]
[ END ]
IF 1BEGIN END
Let's Try
1. @x@x