Rick van der Lans states in articles and seminars that it would be nice for database implementations to be more generic. Have less business rules implemented in the database structure and more in constraints. Consequences for having rules change are enormous.

It requires re-engineering of the database, the applications and rearranging existing data. Having a rule change once a year would be not a big issue, but since requirements change more often and faster than ever, it is perhaps a trend to look at.

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