Comments on: date functions using Oracle http://itknowledgeexchange.techtarget.com/itanswers/date-functions-using-oracle/ Wed, 19 Jun 2013 19:19:38 +0000 hourly 1 By: carlosdl http://itknowledgeexchange.techtarget.com/itanswers/date-functions-using-oracle/#comment-56593 carlosdl Mon, 22 Sep 2008 20:59:51 +0000 #comment-56593 I guess the first answer was correct. It seems there is no need for the grouping.

select sum(benefits_paid)
from tablename
where year_mnth in (’200603′,’200602′,’200601′);

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