Postgresql function which compares values from both tables

From: Rehan Saleem <pk_rehan(at)yahoo(dot)com>
To: "pgsql-sql(at)postgresql(dot)org" <pgsql-sql(at)postgresql(dot)org>
Subject: Postgresql function which compares values from both tables
Date: 2012-03-19 19:40:06
Message-ID: 1332186006.44650.YahooMailNeo@web121605.mail.ne1.yahoo.com
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hi ,
how to write a function which should read data from 2 tables having same number of columns and should show the common values from those tables.
thanks

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