EXAMIANS
A point of synchronization between the database and the transaction log is generally referred to as a stop point.
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A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.
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In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.
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The advantage of optimistic locking is that:
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Locks placed by command are called ________ .
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A durable transaction is one in which all committed changes are permanent.
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Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
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Database administration refers to a function that applies to the entire organization.
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A cursor type in which the application sees the data as they were at the time the cursor was opened is called:
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An ACID transaction is one that is atomic, consistent isolated, and durable.
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