> It appears that you don't need to > specify in the Group By clause all the columns that are referenced without > an aggregate function
True. > For example this query would be invalid in MSSQL but > valid in MySQL: > > select id, vendor, sum(price) > from p > group by id In this case, `vendor` would hold the vendor value from some random record with the `id` indicated. In practice, it's the first one as it appears in the table, but that is not guaranteed. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
