Which two statements are true regarding working with dates? (Choose two.)
A. The RR date format automatically calculates the century from the SYSDATE function but allows the session user to enter the century.
B. The RR date format automatically calculates the century from the SYSDATE function and does not allow a session user to enter the century.
C. The default internal storage of dates is in character format.
D. The default internal storage of dates is in numeric format