SQL cursor用法例

DECLARE @OldId varchar(50)   
DECLARE @CustomerID varchar(50)   
DECLARE My_Cursor CURSOR --       
FOR (select CustomerID,oldid from Customer where Area='bj') --               
OPEN My_Cursor; --       
FETCH NEXT FROM My_Cursor INTO @CustomerID,@OldId; --          
WHILE @@FETCH_STATUS = 0      
    BEGIN     
       DECLARE @OtherPro VARCHAR(500)   
       DECLARE @StatusID varchar(200)   
       DECLARE @Userid varchar(200)   
       DECLARE @FinalUserid varchar(200)   

      SELECT @OtherPro=OtherPro,@StatusID=CustomerStatusID,@Userid=UserID FROM bjsunmis.dbo.Customer WHERE CustomerID=@OldId;   

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

      INSERT INTO CustomerotherInfo(CustomerID,OtherPro,CustomerStatusID,UserID)VALUES(@CustomerID,@OtherPro,@StatusID,@FinalUserid)   

     FETCH NEXT FROM My_Cursor INTO @CustomerID,@OldId; --              
    END  
CLOSE My_Cursor; --       
DEALLOCATE My_Cursor; --       
GO