Two-phased locking is a scheme for achieving serializability of transactions.
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Q32: A dynamic cursor saves primary key values
Q33: With optimistic locking,the assumption is made that
Q34: A dirty read happens when one transaction
Q35: In two-phase locking,all locks are released during
Q36: A durable transaction is one for which
Q38: According to ANSI SQL,the serializable isolation level
Q39: Requiring all application programs to lock resources
Q40: With pessimistic locking,the assumption is made that
Q41: Processing responsibilities should be documented and encoded
Q42: Rollforward is a method of database recovery
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