SELECT T2.* FROM user_list T1 INNER JOIN 201411 T2 ON T1.username = T2.username
select * from '201411', user_list where user_list.username = '201411'.username and user_list.userid = xxx
上面的答案有帮助吗?如果还有问题,请提出来,如果对答案满意,请顶一下,并标记为采纳答案,谢谢!
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SELECT 201411
. *
FROM 201411
INNER JOIN user_list ON 201411
.username = user_list.username
LIMIT 0 , 30
有时间多看看表连接查询!用一个连接sql就搞定了!