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change existing table definition

From: Chuming Chen <chen(at)musc(dot)edu>
To: pgsql-admin(at)postgresql(dot)org
Subject: change existing table definition
Date: 2005-06-28 13:27:32
Message-ID: 42C15044.4030407@musc.edu (view raw or flat)
Thread:
Lists: pgsql-admin
Hi, all,

How can I change the column definition of an existing table, ie. from 
varchar(30) to varchar(50)? Is there any way to add a new column to an 
existing table?

Thank you for your suggestions.

Chuming Chen

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