;with TT_IN as (
select *, ROW_NUMBER() over(partition by U_ID order by DATE_TIME) as rn
from TT where IN_OUT = 'IN'
),
TT_OUT as (
select *, ROW_NUMBER() over(partition by U_ID order by DATE_TIME) as rn
from TT where IN_OUT = 'OUT'
)
select TT_IN.U_ID, TT_IN.DATE_TIME as IN_TIME, TT_OUT.DATE_TIME as OUT_TIME
from TT_IN
left join TT_OUT on TT_IN.rn = TT_OUT.rn

如果用 sql server 的话，应该就是这么写。可以参考一下

想起了 WOW 里的“卡拉赞没毕业打什么卡拉赞”

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