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11. An entity is something that can be identified in the user’s work environment; something that the users want to track.

A. True
B. False

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12. Entity instances are associated by relationship classes.

A. True
B. False

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13. 1:1, 1:N and N:M relationships are also known as HAS-A relationships.

A. True
B. False

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14. In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.

A. True
B. False

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15. A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.

A. True
B. False

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