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What is the output of the following SQL query?
CREATE TABLE emp(id INT, dept INT, sal INT);
INSERT INTO emp VALUES (1,10,50),(2,10,70),(3,20,40),(4,20,40),(5,20,90);
SELECT id FROM emp e WHERE sal >
(SELECT AVG(sal) FROM emp WHERE dept = e.dept) ORDER BY id;- A2, 5
- B1, 3, 4
- C2, 3, 4, 5
- D2
Correct answer: A