>>10: PACK is too often used in situations where any benefit it provides is far outweighted by the costs associated with it.
>
>I don't understand. Could you explain?

Evan,

There are many posts on the MS newsgroups where the poster wants to use PACK as a way to insure unique keys when invoice numbers (or whatever) are re-used.

Craig is forever putting "See the article on my website about primary keys."