An exclusive lock locks the item from change but not from read access.
Correct Answer:
Verified
Q2: A transaction is a group of alternative
Q3: In general,the overall responsibility of the DBA
Q4: Explicit locks are locks that are placed
Q5: Database administration tasks have to be performed
Q6: Changes in the database structure usually involve
Q8: Locks with large granularity are easy for
Q9: Locks placed by a command issued to
Q10: An exclusive lock locks the item from
Q11: Database administration is more important but less
Q12: The size of a lock is referred
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