group by 问题
sql = "select top 15 price , count(price) from price group by price order by count(price) desc"
这样为什么top 15 就失效了呢?
sql = "select top 15 price , count(price) from price group by price order by count(price) desc"
这样为什么top 15 就失效了呢?
2006-11-22 23:20
2006-11-23 09:20
2006-11-23 09:51