sql server游标

--声明一个游标 
DECLARE MyCursor CURSOR 
FOR 

--打开一个游标 
OPEN MyCursor

--将游标读取到的值赋给变量，以供循环里面调用
DECLARE   @Customerid  varchar(100)
     
FETCH NEXT FROM MyCursor INTO @Customerid
WHILE @@FETCH_STATUS =0
BEGIN 

　　PRINT @Customerid

FETCH NEXT FROM MyCursor INTO @Customerid
END 

--关闭游标 
CLOSE MyCursor 
--释放资源 
DEALLOCATE MyCursor