Question: 9. The COMMIT command does not permanently save all changes. In order to do that, you must use SAVE. a. True b. False 10. You

9. The COMMIT command does not permanently save all changes. In order to do that, you must use SAVE.

a.

True

b.

False

10. You can select partial table contents by naming the desired fields and by placing restrictions on the rows to be included in the output.

a.

True

b.

False

Indicate the answer choice that best completes the statement or answers the question. 2 points each

11. A _____ entity has a primary key that is partially or totally derived from the parent entity in the relationship.

a.

strong

b.

weak

c.

business

d.

child

12. A _____ contains at least all of the attribute names and characteristics for each table in the system.

a.

data dictionary

b.

relational schema

c.

logical schema

d.

database

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