On Thu, 2007-01-04 at 11:11, Andy Dale wrote:
> Hi,
>
> I need to be able to determine the last time (and date) that a
> database was written to. I know it could be possible just to check
> the last modified dates in the PGDATA directory, but i need to compare
> the last write time of 3 databases (connecting via JDBC). Hopefully
> the last write date is contained somewhere in a system table
> (information schema) but i have no idea of the table(s) i would need
> to query.
Bad news, it's not generally stored.
Good news, it's not that hard to implement.
Perhaps if you give us the bigger picture we can make more logical
suggestions on how to accomplish it.