Use set command to update a variable : Set « Transact SQL « SQL Server / T-SQL Tutorial

SQL Server / T-SQL Tutorial
1. Query
2. Insert Delete Update
3. Table
4. Table Join
5. Data Types
6. Set Operations
7. Constraints
8. Subquery
9. Aggregate Functions
10. Date Functions
11. Math Functions
12. String Functions
13. Data Convert Functions
14. Analytical Functions
15. Sequence Indentity
16. View
17. Index
18. Cursor
19. Database
20. Transact SQL
21. Procedure Function
22. Trigger
23. Transaction
24. XML
25. System Functions
26. System Settings
27. System Tables Views
28. User Role
29. CLR
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
SQL Server / T-SQL Tutorial » Transact SQL » Set 
20. 4. 5. Use set command to update a variable
8CREATE TABLE Product(
9>     ProductID               int                NOT NULL,
10>     Name                    nvarchar(25)       NOT NULL,
11>      ProductNumber           nvarchar(25)               ,
12>      Color                   nvarchar(15)       NULL,
13>      StandardCost            money              NOT NULL,
14>      Size                    nvarchar(5)        NULL,
15>      Weight                  decimal(82)      NULL,
16>      ProductLine             nchar(20)           NULL,
17>      SellStartDate           datetime           NOT NULL,
18>      SellEndDate             datetime           NULL
19>  )
20>  GO
1insert into Product values(1,'Product A', '1','Red',123.123,'1',1,'ProductLine A','1999-03-22','2000-03-22');
2> GO

(rows affected)
1>
2>
3insert into Product values(2,'Product B', '2','Yellow',234.234,'1',3,'ProductLine B','2000-03-22','2001-03-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(3,'Product C', '3','Pink',345.345,'1',3,'ProductLine V','2001-09-22','2006-02-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(4,'Product D', '4','White',456.456,'1',4,'ProductLine D','2002-08-22','2006-03-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(5,'Product E', '5','Black',567.567,'1',5,'ProductLine E','2003-01-22','2003-04-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(6,'Product F', '6','Blue',678.678,'1',6,'ProductLine W','2004-02-22','2005-05-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(7,'Product G', '7','Drak',789.789,'1',7,'ProductLine Q','2005-03-22','2006-03-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(8,'Product H', '8','Gray',234.123,'1',8,'ProductLine F','2006-04-22','2006-09-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(9,'Product I', '9','Red',543.123,'1',9,'ProductLine R','2007-05-22','2008-03-22');
4> GO

(rows affected)
1>
2>
3insert into Product values(0,'Product J', '0','Gold',765.123,'1',0,'ProductLine J','2008-06-22','2009-03-22');
4> GO

(rows affected)
1>
2>
3>
4>
5>
6>
7> DECLARE @Counter Int
8> SET @Counter = 1
9> WHILE @Counter < 4
10>  BEGIN
11>   PRINT 'SubCategory '
12>   SELECT Name, ProductID
13>   FROM Product
14>   WHERE ProductID = @Counter
15>    SET @Counter = @Counter + 1
16>  END
17>  GO
SubCategory
Name                      ProductID
------------------------- -----------
Product A                           1

(rows affected)
SubCategory
Name                      ProductID
------------------------- -----------
Product B                           2

(rows affected)
SubCategory
Name                      ProductID
------------------------- -----------
Product C                           3

(rows affected)
1>
2>
3> drop table Product;
4> GO
20. 4. Set
20. 4. 1. Syntax for Variable Assignment with the SET Statement
20. 4. 2. Using SET to Assign Variables
20. 4. 3. Assign the function result to the variable
20. 4. 4. Return the variable value
20. 4. 5. Use set command to update a variable
20. 4. 6. Concatenating Variables
20. 4. 7. SET variable and column in one command
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.