A(n) phase in a two-phase lock is when a transaction releases all locks and cannot obtain any new lock.
A) growing
B) shrinking
C) locking
D) unlocking
Correct Answer:
Verified
Q41: A(n) _ lock exists when concurrent transactions
Q47: Although the DBMS is designed to recover
Q48: A(n) _ condition occurs when two or
Q49: A lock locks the entire diskpage.
A)transaction-level
B)table-level
C)page-level
D)row-level
Q52: A lock locks the entire table preventing
Q53: In the wait/die scheme,:
A)the older transaction rolls
Q56: A(n)occurs when a transaction executes a query
Q56: In the optimistic approach, during the_ phase,
Q57: The isolation level ensures that queries return
Q59: If a(n) _ is issued before the
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