1. A foreign key is used to implement relationships between tables.
A. True
B. False
2. The terms alternate key and candidate key means the same thing.
A. True
B. False
3. In 1:N relationships, which entity becomes the parent entity is arbitrary.
A. True
B. False
4. When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.
A. True
B. False
5. In a 1:1 relationship, the primary key placement is arbitrary.
A. True
B. False
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