Guys thank you for your replies, you really helped me a lot!!! I haven't use Postgres before and its the first time I am "playing" with composite types, so sorry if I hurted your eyes with my question! Kevin I followed your suggestion and seems to work fine.I think it is what I was looking for. I am actually trying to transform a RELATIONAL database to OBJECT-RELATIONAL. Can anybody provide me with any helpful link or suggest me some "must do" steps? (maybe I need to start a new post for this). Thank you again, George Ant -- View this message in context: http://postgresql.1045698.n5.nabble.com/Composite-type-tp5789103p5789584.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