Re: can i decrease the query time?

On 20 Nov 2002, ernest_it(at)hotmail(dot)com wrote:

> i created index already. how can i decrease the query time more.
>
> number of record is over 1 million.
> the following is the query plan.
>
> Group (cost=34082.59..34085.62 rows=61 width=112)
> -> Sort (cost=34082.59..34082.59 rows=607 width=112)
> -> Nested Loop (cost=0.00..34054.51 rows=607 width=112)
> -> Nested Loop (cost=0.00..125.64 rows=2 width=108)
> -> Nested Loop (cost=0.00..8.84 rows=1 width=22)
> -> Index Scan using tbl_member_pkey on tbl_member d (cost=0.00..5.14
> rows=1 width=18)
> -> Index Scan using tbl_company_pkey on tbl_company c (cost=0.00..3.68
> rows=1 width=4)
> -> Index Scan using tbl_adpage_pkey on tbl_adpage b (cost=0.00..112.65
> rows=332 width=86)
> -> Index Scan using tbl_showlog_adpage_id_idx on tbl_showlog a
> (cost=0.00..20370.75 rows=5466 width=4)

What's the actual query and the table layout for the tables in question
and if you're running 7.2, what does explain analyze show?