mysql8的 select as 问题
//mysql8有个很有意思的事情; //这样就不行 select 'test' as '测试',* from table_name; //这样就可以; select * ,'test' as '测试' from table_name;
//mysql8有个很有意思的事情; //这样就不行 select 'test' as '测试',* from table_name; //这样就可以; select * ,'test' as '测试' from table_name;