hi It is not working,
select * from table_name group by movid having max(movid) but it is working fine select * from table_name order by movid desc limit 1 ________________________________ From: Roland Kaber <roland.ka...@education.lu> To: armando <armand...@gmail.com> Cc: tech list <bluetm...@gmail.com>; mysql@lists.mysql.com Sent: Sat, 6 February, 2010 8:28:06 PM Subject: Re: max() can't work The max() function is an aggregate function which can be used in conjunction with GROUP BY in the SELECT or HAVING clause: http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html . This code should work: select * from table_name group by movid having max(movid). However, there is a simpler and more efficient solution: select * from table_name order by movid desc limit 1. I hope this helps. Best regards Roland Kaber armando wrote: > the field "movid" is type integer or varchar ? > > > 2010/2/6 tech list <bluetm...@gmail.com> > > >> select * from table_name where movid = max(movid); >> >> why the sql above can't work? >> Shall I use a sub-select instead? >> >> select * from table_name where movid = (select max(movid) from table_name) >> ? >> >> >> Thanks in advance. >> >> -- >> MySQL General Mailing List >> For list archives: http://lists.mysql.com/mysql >> To unsubscribe: http://lists.mysql.com/mysql?unsub=armand...@gmail.com >> >> >> > > > The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/
