Column Headings for calculated column
SQL>
SQL> CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
2 ENAME VARCHAR2(10),
3 JOB VARCHAR2(9),
4 MGR NUMBER(4),
5 HIREDATE DATE,
6 SAL NUMBER(7, 2),
7 COMM NUMBER(7, 2),
8 DEPTNO NUMBER(2));
Table created.
SQL>
SQL> INSERT INTO EMP VALUES (7369, 'SMITH', 'CLERK', 7902, TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7499, 'ALLEN', 'SALESMAN', 7698, TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7521, 'WARD', 'SALESMAN', 7698, TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7566, 'JONES', 'MANAGER', 7839, TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7654, 'MARTIN', 'SALESMAN', 7698,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7839, 'KING', 'PRESIDENT', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7844, 'TURNER', 'SALESMAN', 7698,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7876, 'ADAMS', 'CLERK', 7788,TO_DATE('12-JAN-1983', 'DD-MON-YYYY'), 1100, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7900, 'JAMES', 'CLERK', 7698,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 950, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7902, 'FORD', 'ANALYST', 7566,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7934, 'MILLER', 'CLERK', 7782,TO_DATE('23-JAN-1982', 'DD-MON-YYYY'), 1300, NULL, 10);
1 row created.
SQL>
SQL>
SQL>
SQL> select ename, sal, sal * 1.1 from emp;
ENAME SAL SAL*1.1
---------- ---------- ----------
SMITH 800 880
ALLEN 1600 1760
WARD 1250 1375
JONES 2975 3272.5
MARTIN 1250 1375
BLAKE 2850 3135
CLARK 2450 2695
SCOTT 3000 3300
KING 5000 5500
TURNER 1500 1650
ADAMS 1100 1210
ENAME SAL SAL*1.1
---------- ---------- ----------
JAMES 950 1045
FORD 3000 3300
MILLER 1300 1430
14 rows selected.
SQL>
SQL> select ename, sal, sal * 1.1 raise from emp;
ENAME SAL RAISE
---------- ---------- ----------
SMITH 800 880
ALLEN 1600 1760
WARD 1250 1375
JONES 2975 3272.5
MARTIN 1250 1375
BLAKE 2850 3135
CLARK 2450 2695
SCOTT 3000 3300
KING 5000 5500
TURNER 1500 1650
ADAMS 1100 1210
ENAME SAL RAISE
---------- ---------- ----------
JAMES 950 1045
FORD 3000 3300
MILLER 1300 1430
14 rows selected.
SQL>
SQL>
SQL> column ename heading "Employee"
SQL> column sal heading "Salary"
SQL> column raise heading "Raise"
SQL>
SQL> select ename, sal, sal * 1.1 raise from emp;
Employee Salary Raise
---------- ---------- ----------
SMITH 800 880
ALLEN 1600 1760
WARD 1250 1375
JONES 2975 3272.5
MARTIN 1250 1375
BLAKE 2850 3135
CLARK 2450 2695
SCOTT 3000 3300
KING 5000 5500
TURNER 1500 1650
ADAMS 1100 1210
Employee Salary Raise
---------- ---------- ----------
JAMES 950 1045
FORD 3000 3300
MILLER 1300 1430
14 rows selected.
SQL>
SQL> drop table emp;
Table dropped.
SQL>
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