How to join to delete

I'm using pg 7.4.5 on Win XP SP1.

I want to delete rows from a table B, but need to join it to another
table A in order to select the rows in B to be deleted.

Eg. Delete from A join B on (A.bk = B.bk) where A.ak = x;

but only delete rows from B.

How do I acheive this?


Chris
--
Chris Velevitch
Manager - Sydney Flash Platform Developers Group
www.flashdev.org.au