Re: ORA-01466: unable to read data - table definition has changed

[Arun Mathur]

On Mar 30, 4:37 am, "sealo" <seah...@gmail.com> wrote:
> Hello,
> It is very strange issue. When I was doing the exp with "consistent=y"
> to the database, it was failed that "ORA-01466: unable to read data -
> table definition has changed".
>
> I search all the pages in the web, no proper answer was founded. And
> it seems some time error, I also check the all the changed time and
> create time in the dba_objects table. But no one of them was exceed
> the current time.
>
> Could you give me some hints to this issue? Now Only if I set the
> "consistent=n", the exp can continue to do the data export.

Hello,

See Metalink Note:1011680.102.

Regards,
Arun

[sealo]

Sorry, I do not have the permission to access the Metalink.
Could you paste the solution here?

[sybr...@hccnet.nl]

On 31 Mar 2007 06:18:06 -0700, "S L Niemann" <slni...@gmail.com>
wrote:

>On Mar 31, 3:40 am, "sealo" <seah...@gmail.com> wrote:

>MetaLink Info: Quoted directly, no notations below are mine
>SL
>
>Solution Description:
>=====================
>
>This is usually caused when some change has been made to the
>initialisation parameter FIXED_DATE or the system date. It can occur
>Under different circumstances.
>
>1. When doing Date testing and the init.ora parameter FIXED_DATE
> has been set to a future date. When the database is started, then
> that date & TIME does not change.
>
> So any objects created will have exactly the same Date & Time
> stamp as the FIXED_DATE.
>
> Now When you come to run the EXPORT, it checks the SYSDATE
> and the creation dates for the objects.
>
> You need to modify the TIME in the FIXED_DATE parameter,
> i.e. add 1 hour or few minutes, etc and you will not
> encounter the error ORA-1466 anymore.
>
>2. The Operating System was reinstalled because of the server crash.
> The system date was not set correctly. The year was set to 2001
> instead of 1997 when they reinstalled Oracle. After some DB
>activity
> they realized the date was incorrect and reset it to 1997 causing
>some
> objects to exist with future dates.
>
> Perform full database export without specifying consistent=y and
> recreate the database.

Please be advised you are violating your Metalink license agreement
and Oracle may decide to prosecute you for this violation.

--
Sybrand Bakker
Senior Oracle DBA