> Normally you want to use sequences to do this. If you need something more
> global you could combine this with some unique ID for your database.
normally i would use serials, of course. but not when the tools expect a
guid (i.e. something like 'a4180365-b4b5-4013-bd7b-7b6a386eb343'). and as
i'm only in control of the DBMS and not the tools itself, i will need a guid
somehow...
- thomas
