I was try with explain or describe command. The result in column 'type' show 'ALL' , column ' possible keys' show index name I was created. I wonder that why did not use index it take a long time (look like computer hang).
SF At 14:23 22/1/2002 +0700, Kittiphum Worachat wrote: >Hi > >Try to check your query by this command > >explain select * from holder, management where holder.id=management.id or >(holder.name=management.name and holder.surname=management.surname) order >by holder.no > >and let take a look the result if they say the result come from ALL record >it mean you can't get the benifit of index > >Kittiphum Worachat,MT. >www.hatyailab.com > > > Hi, > > I have problem with these query: > > > > select * from holder, management where holder.id=management.id or > > (holder.name=management.name and holder.surname=management.surname) order > > by holder.no > > > > It take a long time (more than 1 minute) with thousand record. I have > > index within 2 table (name+surname, id). It did not have problem if I > > check only id or name+surname. > > > > SF > > > > > > --------------------------------------------------------------------- > > 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 --------------------------------------------------------------------- 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
