Re: would number of fields in a table affect search-query time?

Miles Keaton <mileskeaton@gmail.com> writes:
> What surprised me the most is that the subset, even in the original
> database, gave search results MUCH faster than the full table!

The subset table's going to be physically much smaller, so it could just
be that this reflects smaller I/O load.  Hard to tell without a lot more
detail about what case you were testing.

            regards, tom lane