How to auto create a unique key for each newly added record?

From: "Jeff" <jklcom(at)mindspring(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: How to auto create a unique key for each newly added record?
Date: 2001-03-27 02:20:13
Message-ID: 99otsq$25oa$1@news.tht.net
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Hi,

How to if it is possible to let postgresql to auto assign unique key to each
new record that is added to the database?

Thanks

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