enum, set

   Just recently started using PostgreSQL, and there are some things
I've that I've come to like in MySQL and wondering how to do those in
PostgreSQL. (I know that I should also be looking at all PG's
features that MySQL doesn't have, but.. ;-)
   For example, the ENUM or SET column types, how would one go about
porting/implementing those? I got this form where the admin needs to
specify the possible methods of shipping, per country, from a bunch
of checkboxes (these would be records in the shipping_methods table),
but also add new ones (creating a new record in that table). All good
so far, but how do I save the selection? Do I need to use the array
datatype (rather not if possible..) ?
   Using PHP/Apache.

Regards,

     Martin
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