Mega Code Archive
Alias for case statement
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4> CREATE TABLE Product(
5> ProductID int NOT NULL,
6> Name nvarchar(25) NOT NULL,
7> ProductNumber nvarchar(25) ,
8> Color nvarchar(15) NULL,
9> StandardCost money NOT NULL,
10> Size nvarchar(5) NULL,
11> Weight decimal(8, 2) NULL,
12> ProductLine nchar(20) NULL,
13> SellStartDate datetime NOT NULL,
14> SellEndDate datetime NULL
15> )
16> GO
1> insert into Product values(1,'Product A', '1','Red',123.123,'1',1,'ProductLine A','1999-03-22','2000-03-22');
2> GO
(1 rows affected)
1> insert into Product values(2,'Product B', '2','Yellow',234.234,'1',3,'ProductLine B','2000-03-22','2001-03-22');
2> GO
(1 rows affected)
1> insert into Product values(3,'Product C', '3','Pink',345.345,'1',3,'ProductLine V','2001-09-22','2006-02-22');
2> GO
(1 rows affected)
1> insert into Product values(4,'Product D', '4','White',456.456,'1',4,'ProductLine D','2002-08-22','2006-03-22');
2> GO
(1 rows affected)
1> insert into Product values(5,'Product E', '5','Black',567.567,'1',5,'ProductLine E','2003-01-22','2003-04-22');
2> GO
(1 rows affected)
1> insert into Product values(6,'Product F', '6','Blue',678.678,'1',6,'ProductLine W','2004-02-22','2005-05-22');
2> GO
(1 rows affected)
1> insert into Product values(7,'Product G', '7','Drak',789.789,'1',7,'ProductLine Q','2005-03-22','2006-03-22');
2> GO
(1 rows affected)
1> insert into Product values(8,'Product H', '8','Gray',234.123,'1',8,'ProductLine F','2006-04-22','2006-09-22');
2> GO
(1 rows affected)
1> insert into Product values(9,'Product I', '9','Red',543.123,'1',9,'ProductLine R','2007-05-22','2008-03-22');
2> GO
(1 rows affected)
1> insert into Product values(0,'Product J', '0','Gold',765.123,'1',0,'ProductLine J','2008-06-22','2009-03-22');
2> GO
(1 rows affected)
1>
2>
3>
4> SELECT ProductID
5> , Name
6> , CASE ProductID
7> WHEN 1 THEN 'Mountain'
8> WHEN 2 THEN 'Road'
9> WHEN 3 THEN 'Touring'
10> WHEN Null THEN 'Something'
11> ELSE 'No'
12> END As SubCategory
13> FROM Product
14> GO
ProductID Name SubCategory
----------- ------------------------- -----------
1 Product A Mountain
2 Product B Road
3 Product C Touring
4 Product D No
5 Product E No
6 Product F No
7 Product G No
8 Product H No
9 Product I No
0 Product J No
(10 rows affected)
1>
2>
3> drop table Product;
4> GO
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