(A)
BEGIN
IF 'true' > 'false'
THEN
DBMS_OUTPUT.put_line ('Truth comes first');
END IF;
END;
/
(B)
BEGIN
IF TRUE > FALSE
THEN
DBMS_OUTPUT.put_line ('Truth comes first');
END IF;
END;
/
(C)
BEGIN
IF GREATEST (TRUE, FALSE)
THEN
DBMS_OUTPUT.put_line ('Truth comes first');
END IF;
END;
/
(D)
BEGIN
IF TRUE != FALSE
THEN
DBMS_OUTPUT.put_line ('Truth comes first');
END IF;
END;
/