On Thu, Feb 01, 2007 at 09:19:48PM -0700, Paul E Condon wrote: > The recent heated discussion as to the relative merits of MySQL and > PostgresSQL reminded me of a question that I want to ask of RDBMS > experts, particularly experts who are willing to take a clear > position. Namely, what do you think of the work of C. J. Date? He > rejects SQL, as far as I can tell. Is there any support for this
There doesn't seem to be a standard which everyone follows. > position in the real world? Or in the academic world? What of > his objection to null 'values'? How does this play out when doing > mission critical DB? Does it matter? Or are there standards > techniques for avoiding any need for nulls? You can always use a default value constraint. I have found strange results from my queries if using null values. -- Chris. ====== Don't forget to check that your /etc/apt/sources.lst entries point to etch and not testing, otherwise you may end up with a broken system once etch goes stable. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
