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data diffs with pg51g

From: Michael Nacos <m(dot)nacos(at)gmail(dot)com>
To: pgsql-announce(at)postgresql(dot)org
Cc: fabien(dot)coelho(at)ensmp(dot)fr
Subject: data diffs with pg51g
Date: 2009-09-05 01:22:55
Message-ID: 407fa4640909041822p44573d47jf1edce18618dd040@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-announce
pg51g is a data diff toolkit for PostgreSQL. It is meant to be
pronounced 'pee-gee-sig' -- which is what you get if you unfocus
enough while looking at the name :-) I know, it's a terrible name.

It is also an accurate name, as it generates and maintains md5-based
signature tables for your relations in a PostgreSQL database. These
sig tables may be used in two ways:

* for comparing data across databases
* for comparing the current state of a database with a saved snapshot
of itself (self-diff)

This software has been based on Fabien Coelho's report on Remote
Comparison of Database Tables, which may be found here:
http://cri.ensmp.fr/classement/doc/A-375.pdf This software, however,
represents a brand new implementation in C and PL/pgSQL, with
modifications.

http://pgdba.net/pg51g/

comments, suggestions, contributions welcome!

regards, Michael Nacos

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