An exclusive lock locks the item from change but not from read.

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Options:

A . True

B . False

Answer: Option B

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More Questions on This Topic :

Question 1. Locks placed by command are called ________ .....

Question 2. A transaction for which all committed changes are permanent is called:....

Question 3. Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command t....were inserted by a command transaction since the prior read?

Question 4. Which of the following locks the item from change but not from read?....

Question 5. 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 6. The advantage of optimistic locking is that:....

Question 7. In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.....

Question 8. 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 9. . A transaction in which either all of the database actions occur or none of them do is called:....

Question 10. Which of the following refers to a cursor type where changes of any type and from any source are visible?....

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