Which two operations can be flashed back using the Flashback technology?()A、DROP USER SMITH;B、DROP TABLE EMPLOYEES;C、DROP TABLESPACE USERS;D、ALTER TABLE SALES_REP DROP PARTITION P1;E、ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;

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

  • A、DROP USER SMITH;
  • B、DROP TABLE EMPLOYEES;
  • C、DROP TABLESPACE USERS;
  • D、ALTER TABLE SALES_REP DROP PARTITION P1;
  • E、ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;

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