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From: "Bill" <bchie@opensys.com.hk>
X-Newsgroups: comp.databases.postgresql.sql
Subject: DateDiff, IsNull?
Date: Tue, 14 Aug 2001 19:24:44 +0800
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To: pgsql-sql@postgresql.org
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Hello all,

  I am a newbie to postgreSQL, is it possible to write a "DateDiff",
"IsNull" function work same as the one in SQL Server and are there and
sample out there? And is it possible to override the existing function and
operator like "+" to become a concate?

Regards
Bill