Hi, This might work for you but with two quries: SELECT @minval := least(min(colOne),min(colTwo)) FROM myTable; SELECT colOne-@minval FROM myTable;
Anvar. At 06:26 PM 19/04/2002 -0400, you wrote: >I am trying to normalize a data set based on the minimum values of certain >columns. > >I figured out that I can get the minimum value using a query like >SELECT least(min(colOne),min(colTwo)) FROM myTable > >Is there a way I can do the normalization in a single query? >Ideally, something like... >SELECT colOne-least(min(colOne),min(colTwo)) FROM myTable > >I realize that that does not work and maybe I need some kind of join. Is it >possible to apply that subtraction to every row of the result set when it is >returned? (instead of normalizing after I retrieve the result) > >thx > > >--------------------------------------------------------------------- >Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > >To request this thread, e-mail <[EMAIL PROTECTED]> >To unsubscribe, e-mail ><[EMAIL PROTECTED]> >Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
