"Alan Bullock" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > hi all, I have the following schema: > thanks all for such prompt replies! I'm going with Martijn's solution, I'm a total newbie and it appears simplest (though I realise it's pgsql only)
---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq