sql server cursor 游标

cursor简单示例

DELCARE @name varchar(20)
DECLARE cur_name cursor FOR SELECT name FROM  sys_user
OPEN cur_name
FETCH NEXT FROM cur_name INTO @name
WHILE @@fetch_status = 0
   BEGIN
     IF @name =''
     --使用break,结束游标
      BREAK;
      FETCH NEXT FROM cur_name into @name
   END
   --关闭回收游标,减少资源占用
   CLOSE cur_name
   DEALLOCATE cur_name