题库 软件开发 题目列表 有如下示例数据: 订单明细表:test_order_item id or...
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有如下示例数据:
订单明细表:test_order_item
id order_id goods_id price
1 11701245001 1001 10
2 11701245001 1002 20
3 11701245002 1001 10
问题:
用SQL 查询计算出每个订单的总金额,并按照订单号进行降序排列:订单号和订单总金额.
A.

SELECT i.order_id, SUM(i.price) FROM test_order_item i group by i.`order_id`  order by i.order_id desc;

B.

SELECT order_id, price FROM test_order_item group by order_id and sum(price) order by order_id desc;

C.

SELECT order_id, SUM(price) FROM test_order_item group by order_id  order by order_id desc;

D.

SELECT order_id, SUM(price) FROM test_order_item group by order_id  order by order_id ASC;

题目信息
校招真题
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正确率
0
评论
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