Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!daitc!daitc.daitc.mil
From: jkrueger@daitc.daitc.mil (Jonathan Krueger)
Newsgroups: comp.databases
Subject: Re: Sybase bug?
Message-ID: <584@daitc.daitc.mil>
Date: 12 Jul 89 22:14:35 GMT
References: <2099@cucstud.UUCP> <5003@sybase.sybase.com> <2100@cuc1.UUCP>
Sender: jkrueger@daitc.daitc.mil
Reply-To: jkrueger@daitc.daitc.mil (Jonathan Krueger)
Organization: DTIC Special Projects Office (DTIC-SPO), Alexandria VA
Lines: 11
In-reply-to: lcain@cuc1.UUCP (Leroy Cain)

Leroy Cain writes:
>in the 4rd edition section 13.4.
>	"2. R WHERE c1 OR c2
>	is defined to be equivalent to
>	 ( R WHERE c1 ) UNION ( R WHERE c2 )"

This is a relational algebra used by Date.  SQL may agree.  Then again
it may not.  Perhaps someone with the ANSI spec could say.

-- Jon
--