Re: COMPUTED BY fields or equivalent?

tgl@sss.pgh.pa.us says...


> > I use Interbase (starting on PostgreSQL) which has a concept of
> >   Full_Name  VARCHAR(30) COMPUTED BY(First_Name || ' ' || Last_Name)


> You could do that with a view (if you don't want the derived field to be
> physically stored on disk) or with a trigger (if you do).


Yes, indeed - and both of these solutions would work perfectly fine with
Interbase/Firebird.


I was just wondering if PostgreSQL implemented a COMPUTED BY feature or
equivalent (as I said, I would also be curious about other RDBMS's).


Thanks for your input so far.


Paul...


>             regards, tom lane


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