The EMP table exists in your schema. You want to execute the following query： SELECT ename， sal FROM emp AS OF TIMESTAMP （SYSTIMESTAMP - INTERVAL ’6’ MINUTE） WHERE ename = ’ALLEN’； What are the minimum requirements for the statement to execute successfully？（）
- A ARCHIVELOG mode must be enabled
- B Row Movement must be enabled for the table
- C FLASHBACK must be set to ON for the database
- D The UNDO_MANAGEMENT parameter must be set to AUTO
- E The UNDO_RETENTION parameter must be set appropriately