听力原文：The balance of your account this month is four million eight hundred sixty-seven

A. The statement produces an error at line 1.

B. The statement produces an error at line 3.

C. The statement produces an error at line 6.

D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.

E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.

A. The two statements produce identical results.

B. The second statement returns a syntax error.

C. There is no need to specify DESC because the results are sorted in descending order by default.

D. The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.

A. The two statements produce identical results.

B. The second statement returns a syntax error.

C. There is no need to specify DESC because the results are sorted in descending order by default.

D. The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.

A. No change is required to achieve the desired results.

B. SELECT ename, sal, 12* (sal+100) FROM emp;

C. SELECT ename, sal, (12* sal)+100 FROM emp;

D. SELECT ename, sal +100,*12 FROM emp;

The EMPLOYEES table contains these columns:LAST_NAME VARCHAR2 (25)SALARY NUMBER (6,2)COMMISSION_PCT NUMBER (6)You need to write a query that will produce these results:1. Display the salary multiplied by the commission_pct.2. Exclude employees with a zero commission_pct.3. Display a zero for employees with a null commission value. Evaluate the SQL statement:SELECT LAST_NAME, SALARY*COMMISSION_PCT FROM EMPLOYEESWHERE COMMISSION_PCT IS NOT NULL;What does the statement provide？ （）

A. All of the desired results

B. Two of the desired results

C. One of the desired results

D. An error statement

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

A. No change is required to achieve the desired results.

B. SELECT ename, sal, 12* (sal+100) FROM emp;

C. SELECT ename, sal, (12* sal)+100 FROM emp;

D. SELECT ename, sal +100,*12 FROM emp;

A. The statement produces an error at line 1.

B. The statement produces an error at line 3.

C. The statement produces an error at line 6.

D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.

E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.