oracle ocp 19c考题9，科目082考试题-关于SAVEPOINT

9.Which two statements are true regarding a SAVEPOINT? (Choose two.)A. Rolling back to a SAVEPOINT can undo a CREATE INDEX statementB. Rolling back to a SAVEPOINT can undo a TRUNCATE statementC. Only one SAVEPOINT may be issued in a transactionD. A SAVEPOINT does not issue a COMMITE. Rolling back to a SAVEPOINT can undo a DELETE statementSource：cuug