=?UTF-8?Q?Grzegorz_Ja=C5=9Bkiewicz?= <gryzman(at)gmail(dot)com> writes:
> what difference does the (0) make than ? is timestamp() a function than ?/
No, it's a type. See
http://www.postgresql.org/docs/8.3/static/datatype-datetime.html
regards, tom lane