Kovacs Zoltan writes:
> I experienced that UNIONs in 7.1.1 are rather slow:
>
> tir=# explain (select nev from cikk) union (select tevekenyseg from log);
Try UNION ALL. Plain UNION will eliminate duplicates, so it becomes
slower.
--
Peter Eisentraut peter_e@gmx.net http://funkturm.homeip.net/~peter
