SQL> select * from emp;

     EMPNO ENAME      JOB              MGR HIREDATE               SAL       COMM     DEPTNO
---------- ---------- --------- ---------- --------------- ---------- ---------- ----------
      7839 KING       PRESIDENT            17-NOV-81             5000                    10
      7698 BLAKE      MANAGER         7839 01-MAY-81             2850                    30
      7782 CLARK      MANAGER         7839 09-JUN-81             2450                    10
      7566 JONES      MANAGER         7839 02-APR-81             2975                    20
      7654 MARTIN     SALESMAN        7698 28-SEP-81             1250       1400         30
      7499 ALLEN      SALESMAN        7698 20-FEB-81             1600        300         30
      7844 TURNER     SALESMAN        7698 08-SEP-81             1500          0         30
      7900 JAMES      CLERK           7698 03-DEC-81              950                    30
      7521 WARD       SALESMAN        7698 22-FEB-81             1250        500         30
      7902 FORD       ANALYST         7566 03-DEC-81             3000                    20
      7369 SMITH      CLERK           7902 17-DEC-80              800                    20
      7788 SCOTT      ANALYST         7566 09-DEC-82             3000                    20
      7876 ADAMS      CLERK           7788 12-JAN-83             1100                    20
      7934 MILLER     CLERK           7782 23-JAN-82             1300                    10

14 rows selected.

SQL> select * from dept;

    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        30 SALES          CHICAGO
        40 OPERATIONS     BOSTON

SQL> set serverout on
SQL> sho user
USER is "SCOTT"