题解 | 用户购买次数前三

用户购买次数前三

https://www.nowcoder.com/practice/e359c071d29c4fb7bac6d346f0cfe1d0

select uid, count(*) as cnt
from user_client_log 
where step like "order"
group by uid
order by cnt desc , uid asc
limit 3

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