Re: composite keys - possible? desirable?

[Maniac]

Alice wrote:
unique_together = (("driver", "restaurant"),)
     


... and I don't think this is a db-level solution ..
 

At least in Postgres it is db-level. It produces something like this in 
table definition:

CONSTRAINT polls_answers_driver_key UNIQUE (driver,restaurant)

Don't know about other databases though...