Re: Newbie question
Date: Tue, 21 Jun 2005 17:59:04 +0100
Jon Heggland wrote:
Received on Tue Jun 21 2005 - 18:59:04 CEST
>>Moreover, as Joe Celko often points out, any key that is used in the UI
>>should have check digits or similar to catch data entry errors
> Why is that? Just to avoid a lookup on the key value?
Paul. Received on Tue Jun 21 2005 - 18:59:04 CEST