The DBA is responsible for managing changes to the database structure,but is rarely involved in the original design of the structure.
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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
Q20: A transaction is a series of actions
Q21: The transaction boundaries are the essential information
Q22: In general,optimistic locking is the preferred technique
Q23: Resource locking must be carefully planned because
Q24: Resources are locked for a shorter amount
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