T-SQL 片段收藏

 

存储过程

 1 CREATE PROCEDURE spInsertOrUpdateProduct
 2 --有则更新，否则插入
 3     @ProductName NVARCHAR(50) ,
 4     @ProductNumber NVARCHAR(25) ,
 5     @StdCost MONEY
 6 AS
 7     IF EXISTS ( SELECT  *
 8                 FROM    Production.Product
 9                 WHERE   ProductNumber = @ProductNumber )
10         UPDATE  Production.Product
11         SET     Name = @ProductName ,
12                 StandardCost = @StdCost
13         WHERE   ProductNumber = @ProductNumber
14     ELSE
15         INSERT  INTO Production.Product
16                 ( Name ,
17                   ProductNumber ,
18                   StandardCost
19                 )
20                 SELECT  @ProductName ,
21                         @ProductNumber ,
22                         @StdCost
23                     
24 GO

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