Which of the following is true of forward only cursors?
A) Current values for each row are retrieved when the application accesses a row.
B) All changes of any type from any source are visible.
C) Changes made by the transaction are visible only if they occur on rows ahead of the cursor.
D) It requires the greatest overhead of any cursor type.
Correct Answer:
Verified
Q57: Processing rights may be implemented at the
Q58: To support rollforward and rollback recovery,transactions must
Q59: A passive data repository is preferred over
Q60: Copies of each database record or page
Q61: When two transactions are being processed against
Q63: Measures that are taken to prevent one
Q64: Which of the following is not true
Q65: The situation that occurs when one user's
Q66: When a transaction reads a row that
Q67: Which type of lock still allows other
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents