You need to calculate the number of days from 1st January 2019 until today. Dates are stored in the default

A. SELECT ROUND(SYSDATE ?’01-JAN-2019′) FROM DUAL;

B. SELECT TO_DATE(SYSDATE, `DD/MONTH/YYYY’) ?`01/JANUARY/2019′ FROM DUAL;

C. SELECT SYSDATE ?TO_DATE(’01-JANUARY-2019′) FROM DUAL;

D. SELECT TO_CHAR(SYSDATE, `DD-MON-YYYY’) ?’01-JAN-2019′ FROM DUAL;

E. SELECT ROUND(SYSDATE ?TO_DATE(`01/JANUARY/2019′)) FROM DUAL;