Michael Glaesemann ha scritto:
>
> On Jul 28, 2006, at 17:37 , Manlio Perillo wrote:
>
>> There can be performancs problems in having primary keys of type TEXT?
>> What about having a primary key of 3 columns (all of type TEXT)?
>
> What defines a problem in terms of performance is heavily dependent on
> your particular needs and requirements. What are your requirements? What
> profiling have you done to see where your performance bottlenecks may be?
>
I still don't have done profiling.
Simply in the first version of my schema I used serial keys but the
result is ugly and it force me to do a lot of joins.
Thanks and regards Manlio Perillo