Multiple Choice
The following scenario applies to the next several questions:
Consider relations A and B. Relation A represents the entity on the "one side" of a one-to-many relationship; Relation B represents the entity on the "many side" of the one-to-many relationship.
-The delete rule between relations A and B is set-to-null. If an attempt is made to delete a record in relation A and its primary key value appears as a foreign key value in one or more records of relation B ____.
A) the record in relation A will be the only record deleted and no other changes will occur
B) the record in relation A will be the only record deleted and the foreign key values in relation B that match the primary key value of the record in relation A will be updated to null
C) the record in relation A and all of the records in relation B with foreign key values that match the primary key value of the record in relation A will be deleted
D) only the records in relation B with foreign key values that match the primary key value of the record in relation A will be deleted
E) no records will be deleted
Correct Answer:

Verified
Correct Answer:
Verified
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Q9: The Bill of Materials problem is an
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Q18: Consider the following relational database for