EXAMIANS
A durable transaction is one in which all committed changes are permanent.
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Database administration refers to a function that applies to the entire organization.
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Resource locking is a process to prevent multiple applications from obtaining copies of the same record when the record is about to be changed.
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The transaction log contains a copy of every database record (or page) after it has changed. These records are called before images.
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What is the overall responsibility of the DBA?
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The size of the lock is referred to as the lock granularity.
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Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read?
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A point of synchronization between the database and the transaction log is generally referred to as a stop point.
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Two transactions that run concurrently and generate results that are consistent with the results that would have occurred if they had run separately are referred to as serializable transactions.
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Locks placed by command are called ________ .
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