A. ORDER BY CLASSES B. ORDER CLASSES C. GROUP BY CLASSES D. GROUP CLASSES
A. select * from emp; B. select ename,hiredate,sal from emp; C. select * from emp order deptno; D. select * from where deptno=1
A. MAX B. IF CASE D. AVG
A. COUNT B. MAX C. AVG D. SUM
A. ORDER BY B. ORDERED BY C. GROUP BY D. GROUPED BY