A.SELECT * FROM V$LOGFILE B.SELECT * FROM V$LOG C.SELECT * FROM V$LOGHISTORY D.SELECT * FROM V$DBA
A.DELETE ROLE test_role B.REVOKE ROLE test_role C.DROP ROLE test_role D.DELETE test_role
A.ALTER USER test IDENTIFIED BY oracle B.ALTER USER test PASSWORD oracle C.CREATE USER test IDENTIFIED BY oracle D.UPDATE USER test IDENTIFIED BY oracle