On Sat, Jun 30, 2007 at 09:29:23 +0200, Pavel Stehule <pavel.stehule@xxxxxxxxx> wrote: > Hello, > > I have not Oracle, so I cannot test it, but PostgreSQL implementation > respect Oracle: > > http://archives.postgresql.org/pgsql-patches/2005-06/msg00431.php Maybe that reference was for an earlier version of Oracle and the definition changed at some point? I only have access to version 9 and greatest and lest are strict there.