我想用目前的客户ID,因为我尝试描述如下的Sql子查询语法
SELECT DISTINCT Customer_Id,
(SELECT SUM (total) FROM Orders where Customer_Id = Customer_Id AND CAST(Date) > DayIspecify)
FROM Orders where shop_id= '1-9THT'
我要的是计算SUM每个客户花费在指定的时间段对特定的车间执行的子查询。
我想用目前的客户ID,因为我尝试描述如下的Sql子查询语法
SELECT DISTINCT Customer_Id,
(SELECT SUM (total) FROM Orders where Customer_Id = Customer_Id AND CAST(Date) > DayIspecify)
FROM Orders where shop_id= '1-9THT'
我要的是计算SUM每个客户花费在指定的时间段对特定的车间执行的子查询。
(更新)尝试:
select Customer_Id,
sum(case when o.shop_id = '1-9THT' and Date > DayIspecify
then total else 0 end) total
from Orders
group by Customer_Id
- 返回所有客户recorde d在订单表上,以及在指定日期之后通过商店1-9THT 放置的任何订单的值。 (将>
更改为>=
,使其在指定日期之后或之后)
SELECT Customer_Id, SUM(total) SumTotal
FROM Orders
where shop_id= '1-9THT'
group by Customer_id
不按规定的子查询 试试这个:
SELECT Customer_Id,SUM(total)FROM Orders WHERE shop_id='1-9THT' GROUP BY Customer_Id
SELECT DISTINCT Customer_Id, SUM (total) FROM Orders where shop_id= '1-9THT' group by customer_Id
您正在使用哪种版本的SQL Server? – 2013-04-24 10:36:31
你不想要一个子查询,而是通过 – jeroenh 2013-04-24 10:36:43
来分组吗?你想要1-9THT店的订单价值,按客户细分,还是你想要客户的价值*全部*他们的订单,其中*任何*他们的订单是通过1-9THT店铺进行的? – 2013-04-24 10:51:38