在SQL server中,如何进行查询排序,得到热销书结果集

2025-05-23 10:09:58
推荐回答(1个)
回答(1):

Select *
From
(
Select od_id,Sum(od_count)as Sal_Num
From tb_orderdetails
Group By od_id
)Main
Left Join tb_book Tb On Main.Od_id=Tb.B_id
Order by Main.Sal_Num Desc