You are right, he was probably talking about FK's. I was just so frustrated about people insisting that using "ID" as the primary key in every table is a "good" idea,
I didn't bother to reply previously. I stand firm on my belief that the primary key should be something meaningful and NOT "id" just for the sake of having a unique numeric key.
On Mon, Aug 24, 2015 at 8:39 PM, CaT <cat@zip.com.au> wrote:
On Mon, Aug 24, 2015 at 08:22:17PM -0400, Melvin Davidson wrote: > On Mon, Aug 24, 2015 at 8:00 PM, Berend Tober <btober@computer.org> wrote: > >> 1) What happens if someone mis-types the account-id? > >> To correct that, you also need to correct the FK field in the > >> other dozen tables. > > > > ... ON UPDATE CASCADE ? > > I believe he's talking about triggers.