RE: help with a monthly rollup
Date: Tue, 13 May 2008 13:02:12 -0500
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Rick Ricky Sent: Tuesday, May 13, 2008 12:45 PM
Subject: help with a monthly rollup
I need to rollup data by month.
There are a couple ways to do this.
I have a date field. So I can rollup with a to_char(mydate,'YYYYMM')
this requires a where clause as followings
where to_char(mydate,'YYYYMM') = pSomeMonth;
This means I need a function based index to support this. We have alot of data, so where possible, I want to avoid adding more indexes. Is there a way to calculate what the last
day of the month is?
so I can use a between as follows
where myDate between to_date(01-MON-YYYY') and to_date(LASTDAYOFMONTH-MON-YYYY')
Since the last day of the month can be
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