Re: automated history with Oracle?

Danny Gerst wrote:
> Hi!
>
> Thx for your answers.
>
> Well, I work with 10g and there will be at most one transaction every
> minute. I need the historyfunvtion one a regular bases nearly one or twice a
> month. Their want to get an overview over all changes that had be done on a
> table and an overview of all old records. So the new one will be in the
> regular database, while the history should show all the old records.
> It like saving the current record in a separate table and than apply the
> changes.
>
> First I have to check the two last suggestion from Brian. But I am open for
> every another possibility to make that happen.
>
>
> Greetings,
>
> Danny
>
>

Since you are using 10g, another option is to leverage something called a Flashback Versions Query.

http://download-east.oracle.com/docs/cd/B19306_01/appdev.102/b14251/adfns_flashback.htm#sthref1477

This will give you all of the changes made to a table between two SCN's or timestamps. This can be used with Flashback Transaction Query to Undo a change if necessary. This relies on your UNDO tablespace, so you'll need to query the records before your UNDO_RETENTION starts expiring the information.

HTH,
Brian

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Brian Peasland
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http://www.peasland.net

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