19 Which TCL statement the discard all the changes permanently he executing the below SOL statements? Savepoint M1 Insert into stud(D, DEPT) values[101, 1T) Savepoint M2 Delete from stud Comme Rollback to savepoint M2 C. Rolback d. Suvepoint 20 Identify the TCL statement that will discard and the recention after executing the below SQL statements to Savepoint A1 update hosp setplace=Muscar Suvepoint A2 Insert Into houp values(203, Sohar Rolback to savepoint A2 b. Rollback c Commit d. Rollback to savepoint A