Database administration is more important but less difficult in multiuser database systems than in single-user database systems.
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Q6: Changes in the database structure usually involve
Q7: An exclusive lock locks the item from
Q8: Locks with large granularity are easy for
Q9: Locks placed by a command issued to
Q10: An exclusive lock locks the item from
Q12: The size of a lock is referred
Q13: The DBA has to find a balance
Q14: Concurrency control measures are taken to ensure
Q15: Resource locking is one remedy to the
Q16: One important reason for documenting changes to
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