Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!amdahl!bnrmtv!geller
From: geller@bnrmtv.UUCP (Phil Geller)
Newsgroups: comp.databases
Subject: Multiversion Concurency Control
Keywords: DBMS, recovery, multiversion, concurrency control
Message-ID: <4795@bnrmtv.UUCP>
Date: 23 Jan 89 17:18:18 GMT
Organization: Bell Northern Research, Mtn. View, CA
Lines: 11

Is anyone in netland familiar with any commercial DBMS products that
support multiversion concurrency control (where previous versions
of a changed row are kept around for recovery purposes)?  Or has
anyone implemented such a scheme on top of an existing DBMS product?


Phil Geller
Voice:  (415) 940-2376 
UUCP:   ...{hplabs | amdahl | ames}!bnrmtv!orion!geller
arpanet:   bnrmtv!orion!geller@ames.com
mail:   BNR, P.O. Box 7277, Mountain View, CA 94039-7277