select a.name, c.contentfrom 表1 消燃as 拿档虚a, (select user_id, max(log_time) as lt from 表2 group by ) b,表2 cwhere a.user_id=b.user_id 蠢指 and b.user_id=c.user_id and b.lt=c.log_time
标签:mysql,连表,多表中
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