The data directory was initialized by PostgreSQL version 7.3, which is not compatible with this version 7.4.3.

From: "Bilicki Vilmos" <bilickiv(at)inf(dot)u-szeged(dot)hu>
To: <pgsql-general(at)postgresql(dot)org>
Subject: The data directory was initialized by PostgreSQL version 7.3, which is not compatible with this version 7.4.3.
Date: 2004-10-23 08:10:41
Message-ID: 20041023081041.D1C0423959@mail.inf.u-szeged.hu
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Hi all,

I have upgraded my cygwin installation and it has replaced my old 7.3
postgresql.

My questions are the following:

How can I use the old files with the newer version?
If this is not possible, how can I migrate my database to a newer version
without the old database engine?
If this is not possible how can I downgrade the postgresql to an appropriate
version? (The setup utility provides only the 7.4 version)

Many thanks for helping me,

Vilmos

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