READ Free Dumps For Oracle- 1z0-001
Question ID 8108 | Which SELECT statement displays employee names, salary, department numbers and average salaries for all employees who earn more than the average salary in their department? |
Question ID 8109 | Mr. Bill is the president of a company. Five managers report to him. All other employees report to these managers. Examine the code. SELECT employee.ename FROM emp employee WHERE employee.empno not in SELECT manager.mgr FROM emp manager; The above statement returns no rows selected as the result why? |
Option A | All employees have a manager. |
Option B | None of the employees have a manager. |
Option C | A null value is returned from the sub query. |
Option D | Operator is not allowed in sub queries. |
Correct Answer | C |