EXAMIANS
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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Which of the following refers to a cursor type where changes of any type and from any source are visible?
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The size of a lock is referred to as lock sizing.
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Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
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A durable transaction is one in which all committed changes are permanent.
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The size of a lock is called:
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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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The goal of database security is to ensure that only authorized users can perform authorized activities at authorized times.
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Dirty read, nonrepeatable, and phantom reads are not possible in this instance.
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What is the overall responsibility of the DBA?
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