请输入您的MySQL的root用户密码!Please enter the mysql root user password!password ERROR 1060 (42S2...
一、错误背景：ERROR 1060 (42S21): Duplicate column name 'userid'二、解决办法： 其实这个问题的本质是子查询：中出现重复字段名，如下图：所以，我们在查询的时候需要对字段进行重命名，如下：但是这样是在查询原有全部信息的同时又增加了重新命名的两列，如何在查询全部信息的同时更改其中某个字...
一、错误背景: select*,o.useridaso_idfrom(select*fromorderinfoaso leftjoinuserinfoasu on u.userid=o.userid)twheret.isPaid='已支付'; ERROR 1060 (42S21): Duplicate column name 'userid' 二、解决办法: 其实这个问题的本质是子查询: select*fromorderinfoaso leftjoinuserinfoasu on u.userid=o.us...
ERROR 1060 (42S21): Duplicate column name 'info' The middle of last Dec., I found that my CQRlog did not export , or etc to adif.(Also Ubuntu 18.04.3) I decide to install Ubuntu 18.04.3 into an another SSD. On the new SSD, I installed CQRlog 2.4.0.1 deb. Now in the QSOlist...
I am trying to figure out why I'm getting a duplicate column name in this query. I feel like I am properly prefixing my search terms and shouldn't be getting this error. Please advise. Model Emp(eid:integer, ename:varchar, age:integer, salary:integer) Works(did:integer, eid:integer)...
Re: ERROR 1060 (42S21): Duplicate column name while select and join Chad Bourque June 16, 2010 08:00AM Re: ERROR 1060 (42S21): Duplicate column name while select and join Clement Yap June 20, 2010 07:19PM Sorry, you can't reply to this topic. It has been closed. ...
Re: ERROR 1060 (42S21): Duplicate column name while select and join Chad Bourque June 16, 2010 08:00AM Re: ERROR 1060 (42S21): Duplicate column name while select and join Clement Yap June 20, 2010 07:19PM Sorry, you can't reply to this topic. It has been closed....
Re: ERROR 1060 (42S21): Duplicate column name while select and join Chad Bourque June 16, 2010 08:00AM Re: ERROR 1060 (42S21): Duplicate column name while select and join Clement Yap June 20, 2010 07:19PM Sorry, you can't reply to this topic. It has been closed. ...