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Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）
A:SELECT ename, salary*12 ‘Annual Salary’   FROM employees;
B:SELECT ename, salary*12 “Annual Salary”   FROM employees;
C:SELECT ename, salary*12 AS Annual Salary   FROM employees;
D:SELECT ename, salary*12 AS INITCAP(“ANNUAL SALARY”)   FROM employees

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出自：Oracle认证

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