Explanation:Once a transaction has executed commit work, its effects can no longer be undone by rollback work. 5. In case of any shut down during transaction before commit which of the following statement is done automatically ?
A. View
B. Commit
C. Rollback
D. Flashback
Answer:A
Explanation:Once a transaction has executed commit work, its effects can no longer be undone by rollback work. 5. In case of any shut down during transaction before commit which of the following statement is done automatically ?
A. View B. Commit C. Rollback D. Flashback
Explanation:Once a transaction has executed commit work, its effects can no longer be undone by rollback work. 6. In order to maintain the consistency during transactions database provides