... Multitable inserts• External Tables Oracle9 i: Advanced SQL I-4Copyright © Oracle Corporation, 2001. All rights reserved.Using SET Operators Oracle9 i: Advanced SQL 1-2Lesson Aim In this lesson, ... jobs Oracle9 i: Advanced SQL 1-5Tables Used in This Lesson (continued)DESC employeesSELECT employee_id, last_name, job_id, hire_date, department_idFROM employees;… Oracle9 i: Advanced SQL 1-6Tables ... results from bothqueries, including all duplications. Oracle9 i: Advanced SQL 1-11The UNION ALL Operator (continued) In the example, 30 rows are selected. The combination of the two tables totals...