It Is Important To Take Care Over Primary Key Assignment

I was watching the consumer programme Watchdog the other night and the show featured a complaint about a competition run by a paint manufacturer. The competition details stated that underneath a sticker on the tub was a unique number. The contestants had to peel off the sticker and check their number on the paint firm's website to see if they had won. This appeared very straightforward but one contestant bought two tubs of the product and she discovered that her 'unique' ID numbers were identical.

The full article appears here:
http://www.microsofttraining.net/article-1628-take-care-over-primary-key-assignment.html

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