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Which of the following occurs when one transaction reads a changed record that has not been committed to the database?

Nonrepeatable read
Phantom read
Dirty read
Consistent read

Correct Answer: Dirty read

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More Questions from Managing Multiuser Databases

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?
In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.
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A transaction for which all committed changes are permanent is called:
A cursor type in which the application sees the data as they were at the time the cursor was opened is called:
A cursor type in which the application can only move forward through the recordset is called:
Locks placed by command are called ________ .
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