Multiple Choice
The situation that occurs when one user's changes to the database are lost by a second user's changes to the database is known as the ________.
A) lost update problem
B) deadly embrace problem
C) inconsistent read problem
D) inconsistent write problem
Correct Answer:
Verified
Correct Answer:
Verified
Q38: A lock placed automatically by the DBMS
Q39: Briefly explain the strategy of two-phased locking.
Q40: Explicit locks are locks that are placed
Q41: Both rollforward and rollback require the use
Q42: Distinguish between statement-level consistency and transaction-level consistency.
Q44: A static cursor processes a snapshot of
Q45: A transaction is sometimes called atomic because
Q46: Which type of lock prevents all types
Q47: Explain the concept of an atomic transaction.
Q48: The size of a lock is referred