Locks placed by command are called ________ . Options: A . &nbspshared locks B . &nbspexclusive locks C . &nbspexplicit locks D . &nbspimplicit locks

Locks placed by command are called _______

Question

Locks placed by command are called ________ .

Options:

A . shared locks

B . exclusive locks

C . explicit locks

D . implicit locks

Answer: Option C

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Question 1. In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.....

Question 2. Which of the following locks the item from change but not from read?....

Question 3. A transaction for which all committed changes are permanent is called:....

Question 4. Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transac....were inserted by a command transaction since the prior read?

Question 5. Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions....and finds modification or deletions caused by a committed transaction?

Question 6. Which of the following refers to a cursor type where changes of any type and from any source are visible?....

Question 7. The advantage of optimistic locking is that:....

Question 8. Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads?....

Question 9. 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 10. A cursor type in which the application can only move forward through the recordset is called:....

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