From: Craig Ringer <craig@postnewspapers.com.au>
To: Andreas <maps.on@gmx.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: How to find double entries
Date: Wed, 16 Apr 2008 12:22:57 +0800
Message-ID: <48057F21.30607@postnewspapers.com.au> (raw)
In-Reply-To: <48056F5F.30507@gmx.net>
References: <48056F5F.30507@gmx.net>
Andreas wrote:
> Hi,
>
> how can I find double entries in varchar columns where the content is
> not 100% identical because of a spelling error or the person considered
> it "looked nicer" that way?
When doing some near-duplicate elimination as part of converting a
legacy data set to PostgreSQL I found the `fuzzystrmatch' contrib module
immensely helpful.
http://www.postgresql.org/docs/current/static/fuzzystrmatch.html
--
Craig Ringer
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Subject: Re: How to find double entries
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