11. The DBMS allows surrogate keys to be changed.

A. True
B. False

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12. Cascading updates refer to child rows being automatically deleted when a parent row is deleted.

A. True
B. False

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13. When transforming an entity-relationship model into a relational database design, each entity is represented as a table.

A. True
B. False

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14. Surrogate keys have much meaning for users.

A. True
B. False

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15. When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.

A. True
B. False

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