6. When one transaction reads a changed record that has not been committed to the database a filthy read occurs.

A. True
B. False

7. The size of a lock is referred to as lock sizing.

A. True
B. False

8. When two transactions are being processed against the database at the same time they are termed concurrent transactions.

A. True
B. False

9. Locks placed by the DBMS are explicit locks.

A. True
B. False

10. In optimistic locking, the assumption is made that conflict will occur.

A. True
B. False