- 别名的一个问题：Every derived table must
- 1248 - Every derived table must
- mysql错误Every derived table must
- MySQL8.0新特性CTE(Common Table Expr
- every thing has a beginning
- Why the first article has no pre
- Item 11: Always override hashCod
- 英文圆体字练习 2018.08.27
- [Summary] [Toastmaster CC3] Get
- TCP/IP Illustrated, Volume 1 笔记2
select * from (select nodeid,nodename from stb001 where nodeid < 2) ;
执行以上语句时出现这个错误：Every derived table must have its own alias 。
解决办法，在结果集合上给一个别名（如aa）即可。
select * from (select nodeid,nodename from stb001 where nodeid < 2) aa ;
网友评论