On Wed, Oct 31, 2012 at 8:08 PM, Raghavendra <raghavendra.rao@xxxxxxxxxxxxxxxx> wrote: > False represented by zero bytes and True by 1 byte with value 1. This is not true AFAIK. Both boolean TRUE and FALSE values require 1 byte. A NULL value is zero bytes (though it still consumes 1 bit in the null bitmap). This is true for all types, not just boolean. Regards, Marti -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general