Reading the 9.6 docs suggests an answer to my question, but does not explicitly answer it, so I ask here. If a column has a default value specified does this mean the column cannot contain a NULL value? In other words, is DEFAULT <some_value> NOT NULL redundant? TIA, Rich -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general