Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）<br>A:SELECT ename, salary*12 'Annual Salary' FROM employees;<br>B:SELECT ename, salary*12 "Annual Salary" FROM employees;<br>C:SELECT ename, salary*12 AS Annual Salary FROM employees;<br>D:SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employees

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

出自：Oracle认证

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