携程 9月8日 数分笔试 SQL题
我本地通过，然后一直说我答案结果不对，我晕了，有大神知道我这个哪里错了，附上代码~~谢谢啦
#携程##笔试题目#
select aa.userid, round(aa.cnt_1d,1) as cnt_1d,round(aa.amt_1d,1) as amt_1d,round(bb.cnt_7d,1) as cnt_7d,round(bb.amt_7d,1) as amt_7d,round(cc.cnt_15d,1) as cnt_15d,round(cc.amt_15d,1) as amt_15d
from
(SELECT userid,count(*) as cnt_1d,sum(amount) as amt_1d
FROM edw_htl_order
where datediff('2020-07-16',orderdate)<= 1
group by userid
order by userid)aa
join
(SELECT userid,count(*) as cnt_7d,sum(amount) as amt_7d
FROM edw_htl_order
where datediff('2020-07-16',orderdate)<= 7
group by userid)bb
on aa.userid = bb.userid
join
(SELECT userid,count(*) as cnt_15d,sum(amount) as amt_15d
FROM edw_htl_order
where datediff('2020-07-16',orderdate)<= 15
group by userid)cc
on bb.userid = cc.userid #携程##笔试题目#
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