Which two operations can be flashed back using the Flashback technology?

Which two operations can be flashed back using the Flashback technology? (Choose two.)

Which two operations can be flashed back using the Flashback technology? (Choose two.)

A.
DROP TABLE EMPLOYEES;

B.
DROP USER SMITH;

C.
ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;

D.
DROP TABLESPACE USERS;

E.
ALTER TABLE SALES_REP DROP PARTITION P1;



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