Re: update year in date column
- From: "Marc Perkowitz" <mperkowitz@xxxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 23 Mar 2004 15:28:37 -0600
How about:
update custtest_barb
set crdate = add_months(crdate, -12*1000)
where cusno=798489;
Marc.
----- Original Message -----
From: "Barbara Baker" <barbarabbaker@xxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Tuesday, March 23, 2004 2:00 PM
Subject: update year in date column
>
> OK, I'm just going to bite the bullet and claim total
> ignorance here and see if someone takes pity on me :(
> (sad face a nice touch, eh?)
>
> Someone has accidently updated 378 records in the
> customer table. The date changed from 1999 to 2099.
> I need to change just the year back to 1999 for these
> records. (I'd like to keep the time stamp, if
> possible. The month and day are correct.) I looked
> on metalink, google, and asktom. Some nice examples,
> but not what I really need.
>
> Thought I'd be clever and subtract 1000 from the date.
> This works, but I don't know how to get it formatted
> back into a date.
>
> I'd prefer just sqlplus, but will use pl/sql if
> necessary.
>
> Here's what I've done so far:
> (solaris 9 oracle 9.2.0.4)
>
> JServer Release 9.2.0.4.0 - Production
>
> DOC> CUSNO CUSNAME
> CRDATE
> DOC>---------- -----------------------------------
> ----------
> DOC> 798489 GILBERT, ROSS
> 09/16/2099
> DOC> 826744 HOEFLER, MATT
> 10/08/2099
> DOC> 795126 FORT, JOETTA
> 09/08/2099
> DOC>*/
>
> SQL>
> SQL> ---select to_date(to_char(crdate,'MM/DD/YYYY'))
> from customer where cusno=798489;
> SQL> ---update advdb.custtest_barb
> SQL> ---set crdate= to_char(crdate,'MM/DD/YYYY'))
> SQL> ---from customer where cusno=798489;
> SQL>
> SQL> select
> to_date(to_char(crdate,'ddmmyyyy')-1000),'MM/DD/YYYY')
> 2 from customer where cusno=798489;
> select
> to_date(to_char(crdate,'ddmmyyyy')-1000),'MM/DD/YYYY')
>
> *
> ERROR at line 1:
> ORA-00923: FROM keyword not found where expected
>
>
> SQL>
> SQL>
> SQL> --- these both work
> SQL> select to_char(crdate,'ddmmyyyy') from
> custtest_barb where cusno=798489;
>
> TO_CHAR(
> --------
> 16092099
>
> SQL> select to_char(crdate,'ddmmyyyy') - 1000 from
> custtest_barb where cusno=798489;
>
> TO_CHAR(CRDATE,'DDMMYYYY')-1000
> -------------------------------
> 16091099
>
> Thank for any assistance.
>
> Barb
>
>
>
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