Which of the following occurs when a transaction rereads data and finds ne

Question

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?

Options:

A . Nonrepeatable read

B . Phantom read

C . Dirty read

D . Consistent read

Answer: Option B

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More Questions on This Topic :

Question 1. Which of the following locks the item from change but not from read?....

Question 2. Which of the following occurs when a transaction rereads data it has previously read and finds modification or del....and finds modification or deletions caused by a committed transaction?

Question 3. The advantage of optimistic locking is that:....

Question 4. In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.....

Question 5. Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for....is used to fetch the current values of the row?

Question 6. . A transaction in which either all of the database actions occur or none of them do is called:....

Question 7. Which of the following refers to a cursor type where changes of any type and from any source are visible?....

Question 8. . Dirty read, nonrepeatable, and phantom reads are not possible in this instance.....

Question 9. . Which of the following occurs when one transaction reads a changed record that has not been committed to the data....changed record that has not been committed to the database?

Question 10. . Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads?....

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