On Mon, 11 Apr 2005, Rhino wrote: > >----- Original Message ----- >From: "Dan Bolser" <[EMAIL PROTECTED]> >To: <mysql@lists.mysql.com> >Sent: Monday, April 11, 2005 5:58 AM >Subject: Display 1st row of every group? > > >> >> I read with great interest this >> >> http://www.artfulsoftware.com/queries.php#4 >> >> Display 1st row of every group >> >> SELECT id >> FROM tbl >> GROUP BY id >> HAVING count(*) = 1; >> >Despite what the heading says for that query, it is NOT going to return the >first row of every group. In fact, it is going to return only groups that >contain one row. For example, given this data: > >ID >-- >5 >5 >5 >6 >7 >7 >8 >8 >8 >9 > >That query will return return this: > >id >-- >6 >9 > >In other words, it is returning only groups where there is a single ID with >that value. Note also that it is returning ONLY an ID, not the ID plus the >rest of the row. Their description of what the query does is just plain >wrong.
Delicious second opinion! Thanks for the reply - if you see my second post you see I fixed my problem. Cheers, Dan. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
