摘要：
--声明游标declare my_cursor cursor for select * from info--删除游标资源deallocate my_cursor--打开游标,在游标关闭或删除前都有效open my_cursor--关闭游标close my_cursor--声明局部变量declare @id int,@name varchar(20),@address varchar(20)--定位到指定位置的记录fetch absolute 56488 from my_cursor into @id,@name,@addressselect @id as id,@name as name,@ 阅读全文
