EXAMIANS
The size of a lock is referred to as lock sizing.
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A cursor type in which the application can only move forward through the recordset is called:
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Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
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A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all.
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In optimistic locking, the assumption is made that conflict will occur.
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Dirty read, nonrepeatable, and phantom reads are not possible in this instance.
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Locks placed by the DBMS are called ________ .
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Locks placed by the DBMS are explicit locks.
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Which of the following locks the item from change but not from read?
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The advantage of optimistic locking is that:
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