第 22 题 (多选题)： You currently have an active transaction in your session and have been granted select access to V$TRANSACTION，In which three situations will re-executing this query still return a row but with a different XID indicating a new transaction has started.

A. after successfully executing a TRUNCATE statement followed by a DML statement. B. after successfully executing a CREATE TABLE AS Select statement followed by a SELECT FOR UPDATE statement. C. after successfully executing a CREATE TABLE statement followed by a CREATE INDEX statement. D. after successfully executing a commit or ROLLBACK followed by a DML statement . E. after successfully executing a DML statement following a failed DML statement. F. after successfully executing a commit or ROLLBACK followed by a Select statement 显示答案