Given the ERD below what will be the constraints on the foreign key column? PROF

Question

Given the ERD below what will be the constraints on the foreign key column? PROFESSOR COMPUTER Assigned To Prof ID SerialNumber Mode FirstName CPU Last Name Uses. O The foreign key column will require unique values but avalue is NOT required for every row. O The foreign key column wil NOT require unique values but a value is required for every row. O The foreign key column will NOT require unique values and a value is NOT required for every row. O The foreign key column will require unique values and a value is required for every row.

Explanation / Answer

1. A. A foreign key column will require unique values but a value is NOT required for every row.

5. D. MOVIE (MovieID, Title, Language, Subtitle)

STUDIO (StudioID, StudioName, Address, City, State, Zip)

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