Changing column in a table

From: Christoph Lorenz <ChLorenz(at)csi(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Changing column in a table
Date: 1998-06-02 08:28:07
Message-ID: ulnrgxl60.fsf@haup42174.inhouse.compuserve.com
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Hi,

what is the _safest_ way to change the data type of a column in a table?
(I want to change one column, which is a char into a char(2)).

Thank you
Christoph
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