functions that return a dataset or set of rows

From: "Brian Ward" <brian0(at)verizon(dot)net>
To: pgsql-sql(at)postgresql(dot)org
Subject: functions that return a dataset or set of rows
Date: 2002-10-15 01:21:37
Message-ID: aofqbd$10v5$1@news.hub.org
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How do I create a function that returns a set of row;

I can't seem to find the datatype that the return set should be declared as.

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