Stephan Szabo wrote:
> I tried posting to the bugs, and they said this is a better question for here.
> I have to queries. One runs in about 2 seconds. The other takes upwards
> of 2 minutes. I have a temp table that is created with 2 columns. This
> table is joined with the larger database of call detail records.
> However, these 2 queries are handled very differently.
Even for a temporary table, you should run ANALYZE on it after you fill it but before you query or join to it. I found
out(the hard way) that a temporary table of just 100 rows will generate dramatically different plans before and after
ANALYZE.
Craig
