why the result of "select * from test order by update_time desc" is different with "select update_time from test order by update_time desc", update_time must be the first dimension???
- "order by" question ??????????
- Re: "order by" question Li Yang
why the result of "select * from test order by update_time desc" is different with "select update_time from test order by update_time desc", update_time must be the first dimension???