Multiple Choice
When selecting a foreign key placement for a 1:1 relationship,place the PK of the entity on the mandatory side in the entity on the optional side as a FK,and make the FK mandatory when .
A) one side is mandatory and the other sides is optional
B) one side participates in another relationship
C) both sides are optional
D) both sides are mandatory
Correct Answer:
Verified
Correct Answer:
Verified
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