Bill,
> What about if an out-of-the-ordinary number of rows
> were deleted (say 75% of rows in the table, as opposed
> to normal 5%) followed by a 'VACUUM ANALYZE'? Could
> things get out of whack because of that situation?
Yes. You'd want to run REINDEX after and event like that. As you should now.
--
Josh Berkus
Aglio Database Solutions
San Francisco