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mock exam question on locking & transactions

subba rao
Greenhorn

Joined: Apr 24, 2008
Posts: 24
A named query that sets an exclusive pessimistic on the entities returned by the query by setting the
NamedQuery lockMode element to LockModeType.PESSIMISTIC_FORCE_INCREMENT. The
application starts transaction and executes the query. Which of the following statements is correct
about the entities returned by the query?
A. Only the current transition may modify or delete the entity instances.
B. The current transaction may NOT modify or delete the entity instances.
C. Other concurrent transactions may modify or delete the entity instances.
D. Other concurrent transactions may modify but MAY NOT delete the entity instances

what is the answer for this Q?

in my view the answer should be A.

 
Don't get me started about those stupid light bulbs.
 
subject: mock exam question on locking & transactions
 
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