put a trigger on the table so that it updates a date/timestamp on updates,
like a "lastModified" column
On Wed, 17 Jul 2002, April L wrote:
> Has anyone done, or know of utilities for, remote location "near real time
> mirroring" of postgres databases?
>
> An update every 15 minutes or so would work for this purpose. However, the
> total number of records is in the millions, and the number of changed or
> new records per day could be thousands.
>
> To avoid transferring all records, I'm imagining a flag column that
> indicates if a new or changed record has been transferred to the mirror yet.
>
> Any suggestions...?
>
> - April
>
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