相当难!!!!SQL语句,求救高手·········· 刚才错了

2024-12-27 15:16:39
推荐回答(2个)
回答1:

问题呢?

回答2:

看不太明白,试着回答:
select a.wellbzid, a.wl_time from well_data a
where a.wellbzid in (select wellbzid from WorkJK where wl_whetherAdd='1' )
order by a.wl_time