1Z0-171 Exam Question 26

What will the following query do?
SELECT employee_id, salary
FROM employees
WHERE salary > (SELECT AVG(salary) FROM employees);
  • 1Z0-171 Exam Question 27

    What is a sequence in Oracle Database?
  • 1Z0-171 Exam Question 28

    Which SQL clause is used to specify the source table in a query?
  • 1Z0-171 Exam Question 29

    Which command revokes a user's privilege to update a table?
  • 1Z0-171 Exam Question 30

    Which clause is used to allow a user to grant a privilege to others?