單項選擇題

()SQL語句將為計算列SAL*12生成別名AnnualSalary

A.SELECT ename,sal*12‘Annual Salary’FROM emp
B.SELECT ename,sal*12“Annual Salary”FROM emp
C.SELECT ename,sal*12AS Annual SalaryFROM emp
D.SELECT ename,sal*12AS INITCAP(“Annual Salary”)FROM emp

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