Guys!...
Thanks a lot to all!
As usual... great list..., great answers!
I'm gonna check the suggestions... just that, doing a
select from that field (using Julian dates) shows the
dates about 500+ years into the future.
Anyway, most of your mails put light into this subject
to me.
Thanks a lot!
Best regards!
JL
- "Bellow, Bambi" <bbellow_at_chi.navtech.com> wrote:
> Happy to help with that one...
>
>
> SQL> select
> to_char(to_date(sysdate,'dd-mon-yy'),'j') from dual;
>
> TO_CHAR
> -------
> 2452935
>
> SQL> select
> to_char(to_date('2452935','j'),'dd-mon-yyyy') from
> dual;
>
> TO_CHAR(TO_
> -----------
> 22-oct-2003
>
> Now, interestingly,
>
>
> SQL> select
> to_char(to_date('728464','j'),'dd-mon-yyyy') from
> dual;
>
> TO_CHAR(TO_
> -----------
> 05-jun-2718
>
>
> BUT, if you misstate sysdate, you can do something
> like this...
>
> SQL> select
> to_char(to_date(sysdate,'dd-mon-yyyy'),'j') from
> dual;
>
> TO_CHAR
> -------
> 1722448
>
> SQL> select
> to_char(to_date('1722448','j'),'dd-mon-yyyy') from
> dual;
>
> TO_CHAR(TO_
> -----------
> 22-oct-0003
>
> What's interesting there is the similarity between
> 1722448 and 728464.
> Maybe there's some kind of conversion algorithm at
> play to make sure you
> can't read your data without the app. Kinda cheeky,
> but it's possible (it
> used to be called "job security"). If I were you,
> what I would do is run
> that app with a "BDATE" that you know and pfutz
> around with the julian
> function until you get it... it's probably not so
> complicated... add a 1 at
> the beginning, mix up the second and third numbers,
> something like that.
>
> Have fun and good luck!
> Bambi.
>
>
> -----Original Message-----
> Sent: Wednesday, October 22, 2003 11:25 AM
> To: Multiple recipients of list ORACLE-L
>
>
>
> Are you sure he didn't mean Julian dates?
> Somewhere, someplace you are
> bound to find the algorithm that converts between
> Julian and Gregorian
> dates. I had it .... once .... a long time ago.
>
> > -----Original Message-----
> >
> > Hi to all!
> >
> > We have an old app that manages something that my
> boss
> > calls: boolean dates.
> >
> > He told me that exists an algorithm that manages
> dates
> > as a boolean format.
> >
> > We have several tables in this form:
> >
> > Note: The following table: PAAM
> > has the field BDATE defined as NUMBER.
> >
> > sql> select bdate from paam
> > sql> where rownum < 6
> >
> > BDATE
> > ----------
> > 728464
> > 728434
> > 728403
> > 728495
> > 728283
> >
> > now, I need to convert that format to an
> > 'understandable' format to get the old data and
> old
> > dates.
> >
> > I'm looking (google-ing) for that subject but,
> without
> > luck.
> >
> > any ideas? help?, pls...
> >
> > Thanks in advance
> >
> > Regards!
> > JL
> >
> >
> > __________________________________
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Received on Wed Oct 22 2003 - 14:29:34 CDT
