题解 | 查询单日多次下订单的用户信息？
SELECT
order_date,
t1.user_id,
order_nums,
vip
FROM
(SELECT
SUBSTRING(order_time,1,10) order_date,
user_id,
COUNT(DISTINCT ot.order_id) order_nums
FROM order_tb ot
GROUP BY user_id, SUBSTRING(order_time,1,10)
)t1
JOIN uservip_tb ut ON t1.user_id = ut.user_id
WHERE order_nums > 1
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