求大神帮忙写一个复杂的SQL语句,有关多表查询。
创始人
2025-07-19 04:16:42
0次
求大神帮忙写一个复杂的SQL语句,有关多表查询。
select * from relation a inner join article b on a.userid=b.friendID order by b.posttime desc
select a.uerid, a.content, a.posttime
from relation r, article a
where r.frendID = a.userid
r.userid = 'XXXXX'
order by a.posttime desc;
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