The Following Scenario Applies to the Next Several Questions

question 39

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 restrict. 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

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Definitions:

Authoritarian

A governing or leadership style characterized by absolute or blind obedience to authority, often at the expense of personal freedom.

Right Decisions

Choices or judgments that lead to the most positive outcome based on ethical, practical, or personal considerations.

Informal Child Care

Child care that is provided by relatives, friends, or neighbors, not through formal settings such as daycare centers or professional caregivers.

Home Child Care

Child care provided in the child’s own home, primarily by a grandmother or other family member, while the parents are at work.