You can also write it this way. SELECT materialMaster.Rate, sum(materialMaster.'QTY') as TOT, (sum(materialMaster.'QTY')*2) as TOT2 FROM materialMaster WHERE QTY>=10 Hope that helps. Jon --- TechLDS <tech@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Have you tried using a variable? > http://dev.mysql.com/doc/refman/5.0/en/variables.html > > > -----Original Message----- > From: php-objects@xxxxxxxxxxxxxxx > [mailto:php-objects@xxxxxxxxxxxxxxx] On > Behalf Of Zaid, Shaikh > Sent: Saturday, January 14, 2006 12:56 AM > To: php-objects@xxxxxxxxxxxxxxx > Subject: Problem with SQL Statement > > How to execute a sql query which sums up a field on > a criteria and then > doubles the value. > > i.e. > > Field code = materialMaster > Values = 1, 2, 3, 4...and so on > > > SELECT materialMaster.Rate, > sum(materialMaster.'QTY') as TOT FROM > materialMaster WHERE QTY>=10 > > the above sql statement is working fine but i m > not getting the solution > to double the value i mean i need twice of TOT. I > cannot store tot and then > double the value i need it within the sql statement > as a field code. > > > Zaid > > > > --------------------------------- > Yahoo! Photos - Showcase holiday pictures in > hardcover Photo Books. You > design it and we'll bind it! > > [Non-text portions of this message have been > removed] > > > > PHP Data object relational mapping generator > http://www.metastorage.net/ > Yahoo! Groups Links > > > > > > > > > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com PHP Data object relational mapping generator http://www.metastorage.net/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/php-objects/ <*> To unsubscribe from this group, send an email to: php-objects-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/