Try seeding your rand. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 31, 2004 12:57 PM > To: [EMAIL PROTECTED] > Subject: group by & order by rand() problem > > I have this table: > > mysql> select * from banners; > +----+---------+---------------+ > | id | user_id | title | > +----+---------+---------------+ > | 1 | 1 | first banner | > | 2 | 1 | second banner | > | 3 | 2 | third banner | > | 4 | 2 | forth banner | > | 5 | 2 | fifth banner | > +----+---------+---------------+ > > I would like to show a random banner for each user, > something like this: > > first call > +----+---------+---------------+ > | id | user_id | title | > +----+---------+---------------+ > | 1 | 1 | first banner | > | 3 | 2 | third banner | > +----+---------+---------------+ > > second call > +----+---------+---------------+ > | id | user_id | title | > +----+---------+---------------+ > | 2 | 1 | second banner | > | 4 | 2 | forth banner | > +----+---------+---------------+ > > etc... > > I have tried with following query but the banner > doesn't change while multiple calls: > > SELECT * FROM banners GROUP BY user_id ORDER BY RAND(); > > Can anyone help me? > > Thanks in advance, > > Alex > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: > http://lists.mysql.com/[EMAIL PROTECTED]
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