Which two statements are true regarding working with dates?

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 user to enter the century if required

B.
The default internal storage of dates is in the character format

C.
The RR date format automatically calculates the century from the SYSDATE function and
does not allow the user to enter the century

D.
The default internal storage of dates is in the numeric format

Explanation: