1、错误描述
10:10:38 alter table user add num int(8) primary key first Error Code: 1068. Multiple primary key defined 0.000 sec
2、错误原因
这个错误的原因是定义了两个主键，导致出错
3、解决办法
alter table user add num int(8) primary key first;
去掉“primary key”
时间： 2024-10-10 09:04:37
Error Code: 1068. Multiple primary key defined
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