On May 10, 2011, at 9:48 AM, John Fabiani wrote: > Hi, > Maybe this is a dumb question but if I have a date field that contains a NULL > will it show up when I ask for a where date range for the same date field. > > Where mydate >= "2011/04/01"::date and mydate<= "2011/04/30"::date > > With the above where will the NULL's be selected???? > > I ask because I was always told that a NULL matches everything and nothing! > > Johnf > > -- > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-sql
The NULLs will not be included. NULL matches nothing, not even itself. Brent D. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
