Thanks Joachim,
The mirror only has to go from oracle to pgsql and the schema/tables
never change. I'm going to take a look at dbmirror. Thanks for the advice.
Randall
Joachim Wieland wrote:
> Hi Randall,
>
> On Sun, Oct 31, 2004 at 11:25:46PM -0600, Randall Smith wrote:
>
>>1. Set up stored proc on oracle that records a INSERT, UPDATE, DELETE
>>SQL action taken on a table into a log table.
>>2. Program reads the log table on oracle and issues the same SQL command
>>on the postgres db. In the same transaction, postgres writes to a log
>>showing the command has been executed.
>>3. The program will query the oracle log table on some frequency ~30
>>seconds.
>
>
> It depends on what you're trying to achieve.
>
> Your way might work if you only want to mirror oracle -> pgsql but not vice
> versa.
>
> Furthermore you need to do manual maintenance on the pgsql side if you
> change your schema on the oracle side (create/drop/change tables, ...)
>
> I've done something similar with MS SQL -> pgsql and perl some years ago.
> Shout if you're interested.
>
> There's also dbmirror in contrib/ that works in a similar way.
>
>
> Joachim
>
>
>
>
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