At the conclusion of our previous article, we said that there are two options for enforcing temporal integrity constraints on a database. One is to enforce the constraints at the time of update so as to prevent violations from being persisted in the database. The other is to let violations occur, but to filter them out at retrieval time. This would be done by means of views against which all normal queries would be written.
Register or login for access to this item and much more
All Information Management content is archived after seven days.
Community members receive:
- All recent and archived articles
- Conference offers and updates
- A full menu of enewsletter options
- Web seminars, white papers, ebooks
Already have an account? Log In
Don't have an account? Register for Free Unlimited Access