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SQL> SQL> CREATE TABLE employees 2 ( employee_id number(10) not null, 3 last_name varchar2(50) not null, 4 email varchar2(30), 5 hire_date date, 6 job_id varchar2(30), 7 department_id number(10), 8 salary number(6), 9 manager_id number(6) 10 ); Table created. SQL> SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary,department_id ,manager_id) 2 values ( 1001, 'Lawson', 'lawson@g.com', '01-JAN-2002','MGR', 30000,1 ,1004); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id) 2 values ( 1002, 'Wells', 'wells@g.com', '01-JAN-2002', 'DBA', 20000,2, 1005 ); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id) 2 values( 1003, 'Bliss', 'bliss@g.com', '01-JAN-2002', 'PROG', 24000,3 ,1004); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id) 2 values( 1004, 'Kyte', 'tkyte@a.com', SYSDATE-3650, 'MGR',25000 ,4, 1005); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id) 2 values( 1005, 'Viper', 'sdillon@a .com', SYSDATE, 'PROG', 20000, 1, 1006); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id,manager_id) 2 values( 1006, 'Beck', 'clbeck@g.com', SYSDATE, 'PROG', 20000, 2, null); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id) 2 values( 1007, 'Java', 'java01@g.com', SYSDATE, 'PROG', 20000, 3, 1006); 1 row created. SQL> SQL> insert into employees( employee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id) 2 values( 1008, 'Oracle', 'wvelasq@g.com', SYSDATE, 'DBA', 20000, 4, 1006); 1 row created. SQL> SQL> SQL> select last_name, hire_date 2 from employees 3 order by hire_date; LAST_NAME HIRE_DATE -------------------------------------------------- --------- Kyte 16-JUN-98 Wells 01-JAN-02 Bliss 01-JAN-02 Lawson 01-JAN-02 Viper 13-JUN-08 Beck 13-JUN-08 Oracle 13-JUN-08 Java 13-JUN-08 8 rows selected. SQL> SQL> select last_name, hire_date 2 from employees 3 where rownum < 6 4 order by hire_date; LAST_NAME HIRE_DATE -------------------------------------------------- --------- Kyte 16-JUN-98 Wells 01-JAN-02 Lawson 01-JAN-02 Bliss 01-JAN-02 Viper 13-JUN-08 SQL> SQL> select last_name, hire_date 2 from ( select last_name, hire_date 3 from employees 4 order by hire_date ) 5 where rownum <= 5; LAST_NAME HIRE_DATE -------------------------------------------------- --------- Kyte 16-JUN-98 Lawson 01-JAN-02 Wells 01-JAN-02 Bliss 01-JAN-02 Viper 13-JUN-08 SQL> SQL> drop table employees; Table dropped. SQL>