William Edwards

What general guideline would you recommend for deciding when to store information in a single attribute and when to split the information?

Attributes Consider a STUDENT relation in a UNIVERSITY database with the following attributes . Note that the cell phone may be from a different city and state  from the local phone. A possible tuple of the relation is shown below: Name Ssn Local_phone Address Cell_phone Age Gpa George Shaw 123-45-6789 555-1234 123 Main St., 555-4321 […]

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