The DBA has to find a balance between the conflicting goals of maximizing availability of the database to users and protecting the database.
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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
Q14: Concurrency control measures are taken to ensure
Q15: Resource locking is one remedy to the
Q16: One important reason for documenting changes to
Q17: The database is most vulnerable to failure
Q18: A transaction is sometimes called atomic because
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