EXAMIANS
Which of the following locks the item from change but not from read?
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Locks placed by command are called ________ .
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When two transactions are being processed against the database at the same time they are termed concurrent transactions.
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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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When one transaction reads a changed record that has not been committed to the database a filthy read occurs.
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In optimistic locking, the assumption is made that conflict will occur.
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Database administration refers to a function that applies to the entire organization.
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Locks placed by the DBMS are called ________ .
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In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.
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An exclusive lock locks the item from change but not from read.
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