SQL cursor用法实例

复制代码 代码如下:

DECLARE @OldId varchar(50)  
DECLARE @CustomerID varchar(50)  
DECLARE My_Cursor CURSOR --定义游标  
FOR (select CustomerID,oldid from Customer where Area='bj') --查出需要的集合放到游标中  
OPEN My_Cursor; --打开游标  
FETCH NEX javascript T FROM My_Cursor INTO @CustomerID,@OldId; --读取第一行数据  
WHILE @@FETCH_STATUS = 0     
    BEGIN    
       DECLARE @OtherPro VARCHAR(500)  
       DECLAR 编程客栈 E @StatusID varchar(200)  
       DECLARE @Userid varchar(200)  
       DECLARE @FinalUserid varchar(200)  

      SELECT @OtherPro=OtherPro,@StatusID=CustomerStatusID,@Userid=UserID FROM b js unmis.dbo.Customer WH gnnEw ERE CustomerID=@OldId;  

      SELECT @FinalUserid=UserID javascript from Users where oldid=@Userid  

      INSERT INTO CustomerotherInf http://www.cppcns.com o(CustomerID,OtherPro,CustomerStatusID,UserID)VALUES(@CustomerID,@OtherPro,@StatusID,@FinalUserid)  

     FETCH NEXT FROM My_Cursor INTO @CustomerID,@OldId; --读取下一行数据      
    END 
CLOSE My_Cursor; --关闭游标  
DEALLOCATE My_Cursor; --释放游标  
GO

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