One important reason for documenting changes to the database structure is for diagnosing errors.
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Q11: Database administration is more important but less
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
Q17: The database is most vulnerable to failure
Q18: A transaction is sometimes called atomic because
Q19: The DBA is responsible for managing changes
Q20: A transaction is a series of actions
Q21: The transaction boundaries are the essential information
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