Re: Codd Rules

The Real Meal Deal. http://www.amazon.com/exec/obidos/ASIN/0201385902/qid=967122594/sr=1-4/102-5668831-6247348 http://www.amazon.com/exec/obidos/ASIN/0201141922/qid=967122513/sr=1-31/102-5668831-6247348 http://www.amazon.com/exec/obidos/ASIN/0201612941/qid=967122513/sr=1-2/102-5668831-6247348 Absolutely essential reading. From: johnh <john.horton@cognito.co.uk> > >Excuse my ignorance (or don't - if you are like that..) >but what are the codd rules? >is there a url or something (or even a book?!) that i could go to?? > >Obnoxio The Clown wrote: > > > > From: "Savio Mario Bartholomeo Pereira" <saviop75@hotmail.com> > > > > > > Any RDBMS should follow the Codd rules. > > >How many does Informix follow. > > >What are the rules that Informix follow. > > >What are the remaining rules that Informix doesn't follow.Mention the > > >reasons for that. > > > > You want fries with that? > > > > ________________________________________________________________________ > > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com > >-- >John Horton DBA Cognito (Informix on Linux) >john.horton@cognito.co.uk > >sysadmin and mahjongg player > >use >Tk;$mw=tkinit;$t='yet_another_perl_hacker!';$a=0;$c=$mw->Canvas(-width=>155,-height=>15);$c->create('text',80,9,-text=>$t);$c->pack();$c->CanvasBind('<Motion>'=>sub{my($x,$y)=($Tk::event->x,$Tk::event->y);$x=int(rand($mw->screenheight));$y=int(rand($mw->screenwidth));$mw->geometry("+$x+$y");$a++;if($a==5){exit;}});MainLoop; ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com