日期:2014-05-18  浏览次数:20402 次

遇到的最难的存储过程嵌套游标问题,高手请进!!!
创建一个存储过程   P3,列出Northwind库中的products表中UnitsOnOrder最高的五种商品的相关信息。(用游标做)

------解决方案--------------------
select top 5 UnitsOnOrder, *
from products
order by UnitsOnOrder desc
------解决方案--------------------
--用top 5,如下

select top 5 UnitsOnOrder, *
from products
order by UnitsOnOrder desc


--或者如下:

set rowcount 5

select UnitsOnOrder, *
from products
order by UnitsOnOrder desc
------解决方案--------------------
--能用一条SQL实现的,为什么要用游标,舍近求远?


--用top 5,如下

select top 5 UnitsOnOrder, *
from products
order by UnitsOnOrder desc


--或者如下:

set rowcount 5

select UnitsOnOrder, *
from products
order by UnitsOnOrder desc