Examine the structure of the MARKS table:
Exhibit:
Which two statements would execute successfully? (Choose two.)
A. SELECT student_name,subject1FROM marksWHERE subject1 > AVG(subject1);
B. SELECT student_name,SUM(subject1)FROM marksWHERE student_name LIKE ‘R%’;
C. SELECT SUM(subject1+subject2+subject3)FROM marksWHERE student_name IS NULL;
D. SELECT SUM(DISTINCT NVL(subject1,0)), MAX(subject1)FROM marksWHERE subject1 > subject2;
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