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Question

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

a.

Nonrepeatable read

b.

Phantom read

c.

Dirty read

d.

Consistent read

Posted under Concurrency Control DBMS

Answer: (c).Dirty read

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

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