Dani Oderbolz <oderbolz(at)ecologic(dot)de> writes:
> What are the minimal grants neeeded? (And where is it documented,
> the reference of 7.3.3 sais nothing about Sequences)
http://www.postgresql.org/docs/view.php?version=7.3&idoc=0&file=sql-grant.html
SELECT and UPDATE rights apply to sequences in about the way you'd
expect (read and write privilege, respectively).
regards, tom lane