On Tue, May 10, 2011 at 9:48 AM, John Fabiani <jo...@jfcomputer.com> wrote:
> Where mydate >= "2011/04/01"::date and mydate<= "2011/04/30"::date > With the above where will the NULL's be selected???? Here is what I get when I try: spi=> SELECT NULL::DATE >= '2011-04-01'::DATE AND NULL::DATE <= '2011-04-30'::DATE; ?column? ---------- (1 row) spi=> SELECT (NULL::DATE >= '2011-04-01'::DATE AND NULL::DATE <= '2011-04-30'::DATE) IS TRUE; ?column? ---------- f (1 row) spi=> SELECT (NULL::DATE >= '2011-04-01'::DATE AND NULL::DATE <= '2011-04-30'::DATE) IS FALSE; ?column? ---------- f (1 row) spi=> SELECT (NULL::DATE >= '2011-04-01'::DATE AND NULL::DATE <= '2011-04-30'::DATE) IS UNKNOWN; ?column? ---------- t (1 row) -- Regards, Richard Broersma Jr. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
