varchar vs text columns

From: Jessica Richard <rjessil(at)yahoo(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: varchar vs text columns
Date: 2007-07-23 18:33:54
Message-ID: 835361.84815.qm@web56408.mail.re3.yahoo.com
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What is the difference between varchar and text for a string column?
What is the benefit of using each one?
Is text better than varchar performance wise?

Thanks.


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