Question 6 :
When one transaction reads a changed record that has not been committed to the database a filthy read occurs.
Question 7 :
The size of a lock is referred to as lock sizing.
Question 8 :
When two transactions are being processed against the database at the same time they are termed concurrent transactions.
Question 9 :
Locks placed by the DBMS are explicit locks.
Question 10 :
In optimistic locking, the assumption is made that conflict will occur.