Explanation:Commit work commits the current transaction. 3. In order to undo the work of transaction after last commit which one should be used ?
A. View
B. Commit
C. Rollback
D. Flashback
Answer:A
Explanation:Commit work commits the current transaction. 3. In order to undo the work of transaction after last commit which one should be used ?
A. View B. Commit C. Rollback D. Flashback
Explanation:Rollback work causes the current transaction to be rolled back; that is, it undoes all the updates performed by the SQL statements in the transaction. 4. Consider the following action: