thanks. I hadn't used psql before, PgAdmin had been all I needed. You are right, \df does give the full info, and I do believe the manual isn't clear enough. TVM David -- View this message in context: http://postgresql.1045698.n5.nabble.com/date-trunc-not-sure-what-is-wrong-but-it-confuses-me-tp4716052p4729924.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general