select * from tableA INNERJOIN tableB ON tableA.type = ?AND tableB.ref = tableA.id
select * from tableA INNERJOIN tableB ON tableB.ref = tableA.id WHERE tableA.type
我正在尝试mysql中的group by innerjoin。它显示未知的列名。你能帮我解决这个问题吗?在group by中的查询""SELECT Min(Id) FROM testinbcalls by lc.DBID“”中,我得到了一个错误“"Unknown列名DBID in the groupby”JOIN testinit init on ic.InitId=init.Id
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(SELECT * FROM table1 ON table1.id = table2.id) JOIN (SELECT ROUND(RAND()MAX(table1.id) FROM table1)) AS id) WHERE t1.id >= t2.id 我尝试使用RAND() max(id)来获取随机的mysql#1064 - You have an error in your SQL syntax; check th
10031000 10091009 10031004 1002我可以像这样在这些表上执行inner,以便从A表中获得每个用户的FID的AID和PID,这可以从F表中获得。假设我的ID为1000,那么对我来说,我的朋友执行的操作将是
SELECT AID,PID from A innerjoin F on A.UID = F.FID where F.UID = '1000如果尝试使