Question 181

View the exhibit and examine the structure of the EMPLOYEEStable.

You want to display all employees and their managers having 100 as the MANAGER_ID. You want the output in two columns: the first column would have the LAST_NAMEof the managers and the second column would have LAST_NAMEof the employees.
Which SQL statement would you execute?
SELECT m.last_name "Manager", e.last_name "Employee"
  • Question 182

    Which two commands execute successfully?
    * MANAGER is an existing role with no privileges or roles.
    * EMP is an existing role containing the CREATE TABLE privilege.
    * EMPLOYEES is an existing table in the HR schema.
  • Question 183

    Examine this query:

    Which two methods should you use to prevent prompting for a hire date value when this query is executed?
    (Choose two.)
  • Question 184

    View the Exhibit and examine the data in the PRODUCT_INFORMATION table.

    Which two tasks would require subqueries? (Choose two.)
  • Question 185

    View the Exhibit and examine the structure of the ORDER_ITEMStable.

    Examine the following SQL statement:
    SELECT order_id, product_id, unit_price
    FROM order_items
    WHERE unit_price
    (SELECT MAX(unit_price)
    FROM order_items
    GROUP BY order_id);
    You want to display the PRODUCT_ID of the product that has the highest UNIT_PRICE per ORDER_ID.What correction should be made in the above SQL statement to achieve this?