Resource locking must be carefully planned because most DBMS products cannot detect a deadlock condition.
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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
Q22: In general,optimistic locking is the preferred technique
Q24: Resources are locked for a shorter amount
Q25: Two-phased locking has a growing phase and
Q26: A static cursor processes a snapshot of
Q27: Repeatable Read isolation is the most restrictive
Q28: In two-phase locking,all locks are obtained during
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