> > However you cannot currently remove a column...
>
> Oh yes you can:
>
> ALTER TABLE tbl DROP COLUMN whatever
>
> http://www.postgresql.org/docs/view.php?version=7.3&idoc=0&fil
> e=ddl-alter.html
>
> IIRC it was introduced fairly recently (7.3?)
Doh! Really should get rid of 'Practical PostgreSQL' as my point of
reference, only covers 7.1.x... Come on O'Reilly, print a second edition!