On Thu, 13 Feb 2003 19:24:13 -0500, Patrick Macdonald
>I know Oracle and DB2 have incremental backup in their arsenal (and iirc,
>SQL Server has something called "differential backup").  Whatever the name,
>it's a win at the enterprise level. 

"A differential backup copies only the database pages that have been
modified after the last full database backup."

This could be doable using XLogRecPtr pd_lsn in the page headers, but
I don't see an easy way to do it on a live database.


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