Thanks to Jared and others for a quick assistance.
Regards,
Viktor
- Jared.Still_at_radisys.com wrote:
> Well, yes the first day of the month is always 1.
>
> Representing it as the first day of the current
> month requires
> you to use the SYSDATE function.
>
> Returning the first day of the month can be done in
> several
> ways, some more reasonable than others.
>
> there's the new to SQL basic programmer DBA wannabe
> method:
>
> select
> substr(to_char(sysdate,'MM/DD/YYYY'), 1,2) ||
> '/01/' ||
> substr(to_char(sysdate,'MM/DD/YYYY'), 7)
> from dual;
>
> There's the slightly better:
>
> select
> to_date(to_char(sysdate,'YYYYMM') ||
> '01','YYYYMMDD')
> from dual;
>
> The obtuse date math method ( my favorite ):
>
> select
> last_day(add_months(sysdate,-1))+1
> from dual;
>
> ( there are several variations on this method )
>
> A little RTFM will reveal a much cleaner method:
>
> select
> trunc(sysdate,'mm')
> from dual;
>
> So, the answer is always 1, but there is more than
> one way to get there.
>
> Jared
> SA, OCP, and Part Time Perl Evangelist
>
>
>
>
>
>
>
>
>
> "Charlie Mengler" <charliem_at_mwh.com>
> Sent by: root_at_fatcity.com
> 01/23/02 12:59 PM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> cc:
> Subject: Re: How to calculate Last
> and First Day of Month?
>
>
> I would have thought that the "first day of the
> month"
> is ALWAYS the 1st, as in 1 (ONE)!
>
> Please explain why it needs to be calculated or
> could be a value other than ONE.
>
> >
> > >>> stant_98_at_yahoo.com 01/23/02 10:35AM >>>
> > Hey guys,
> >
> > I know this is propablby easy, but I'm a bit
> > overwhelmed here this week. Can you please tell me
> how
> > to get first and last days of the month given
> SYSDATE?
> >
> > thanks a lot
> >
> > Regards
> >
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Charlie Mengler
> INET: charliem_at_mwh.com
>
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> Author:
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>
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Viktor
INET: stant_98_at_yahoo.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Thu Jan 24 2002 - 09:31:05 CST
