ISNULL FUNCTION

From: Héctor Iturre <hhiturre(at)yahoo(dot)com(dot)ar>
To: pgsql-sql(at)postgresql(dot)org
Subject: ISNULL FUNCTION
Date: 2002-12-09 14:30:49
Message-ID: 20021209143049.71054.qmail@web20102.mail.yahoo.com
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HI,
HERE IS AN ALTERNATIVE TO USE THE SQL SERVER
ISNULL() FUNCTION

select case when FIELD_NAME isnull then 'EXPRESION'
else FIELD_NAME end
from calfiscal
where impuesto = 1

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