"Dave North" <DNorth@xxxxxxxxxxxx> writes: > The outstanding question here is why does the explain analyze take > (quite a bit) longer than just executing the query? EXPLAIN ANALYZE has nontrivial measurement overhead, especially on platforms with slow gettimeofday(). Old/cheap PC hardware, in particular, tends to suck in this respect. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance