Which of the following is illegal?
A.SELECT SYSDATE – SYSDATE FROM DUAL;
B. SELECT SYSDATE – (SYSDATE – 2) FROM DUAL;
C. SELECT SYSDATE – (SYSDATE + 2) FROM DUAL;
D. None of these
Answer:D
Which of the following is illegal?
A.SELECT SYSDATE – SYSDATE FROM DUAL; B. SELECT SYSDATE – (SYSDATE – 2) FROM DUAL; C. SELECT SYSDATE – (SYSDATE + 2) FROM DUAL; D. None of these