Re: surrogate key or not?

On Sat, 2004-08-07 at 05:00, Kenneth Gonsalves wrote:
> why shouldnt the primary key change? the only key that should never change is
> a key that is used as a foreign key in another table. In a table like this:
>
> id serial unique
> name varchar primary key
>
> name may change - id will never change. id is used as the foreign key

It can change if you use ON UPDATE CASCADE in the foreign key
definitions.

--
Oliver Elphick olly(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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