Which of the following locks the item from change but not from read? Options: A . &nbspImplicit lock B . &nbspExplicit lock C . &nbspExclusive lock D . &nbspShared lock

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

Question

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

Options:

A . Implicit lock

B . Explicit lock

C . Exclusive lock

D . Shared lock

Answer: Option D

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Question 1. A transaction for which all committed changes are permanent is called:....

Question 2. In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.....

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

Question 4. Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row....is used to fetch the current values of the row?

Question 5. Which of the following refers to a cursor type where changes of any type and from any source are visible?....

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Question 7. Dirty read, nonrepeatable, and phantom reads are not possible in this instance.....

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

Question 9. A cursor type in which the application can only move forward through the recordset is called:....

Question 10. Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?....

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