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SQL>
SQL> -- create demo table
SQL> create table Employee(
2 EMPNO NUMBER(3),
3 ENAME VARCHAR2(15 BYTE),
4 HIREDATE DATE,
5 ORIG_SALARY NUMBER(6),
6 CURR_SALARY NUMBER(6),
7 REGION VARCHAR2(1 BYTE)
8 )
9 /
Table created.
SQL>
SQL> -- prepare data
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (1, 'Jason', to_date('19960725','YYYYMMDD'), 1234, 8767,
'E')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (2, 'John', to_date('19970715','YYYYMMDD'), 2341, 3456,
'W')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (3, 'Joe', to_date('19860125','YYYYMMDD'), 4321, 5654,
'E')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (4, 'Tom', to_date('20060913','YYYYMMDD'), 2413, 6787,
'W')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (5, 'Jane', to_date('20050417','YYYYMMDD'), 7654, 4345,
'E')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (6, 'James', to_date('20040718','YYYYMMDD'), 5679, 6546,
'W')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (7, 'Jodd', to_date('20030720','YYYYMMDD'), 5438, 7658,
'E')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (8, 'Joke', to_date('20020101','YYYYMMDD'), 8765, 4543,
'W')
3 /
1 row created.
SQL> insert into Employee(EMPNO, EName, HIREDATE, ORIG_SALARY, CURR_S
ALARY, REGION)
2 values (9, 'Jack', to_date('20010829','YYYYMMDD'), 7896, 1232,
'E')
3 /
1 row created.
SQL>
SQL>
SQL>
SQL> -- display data in the table
SQL> select * from Employee
2 /
EMPNO ENAME HIREDATE ORIG_SALARY CURR_SALARY R
---------- --------------- --------- ----------- ----------- -
1 Jason 25-JUL-96 1234 8767 E
2 John 15-JUL-97 2341 3456 W
3 Joe 25-JAN-86 4321 5654 E
4 Tom 13-SEP-06 2413 6787 W
5 Jane 17-APR-05 7654 4345 E
6 James 18-JUL-04 5679 6546 W
7 Jodd 20-JUL-03 5438 7658 E
8 Joke 01-JAN-02 8765 4543 W
9 Jack 29-AUG-01 7896 1232 E
9 rows selected.
SQL>
SQL>
SQL>
SQL> SELECT empno, ename, orig_salary, ROW_NUMBER() OVER(ORDER BY orig_salary desc) toprank
2 FROM employee
3 /
EMPNO ENAME ORIG_SALARY TOPRANK
---------- --------------- ----------- ----------
8 Joke 8765 1
9 Jack 7896 2
5 Jane 7654 3
6 James 5679 4
7 Jodd 5438 5
3 Joe 4321 6
4 Tom 2413 7
2 John 2341 8
1 Jason 1234 9
9 rows selected.
SQL>
SQL>
SQL>
SQL> -- clean the table
SQL> drop table Employee
2 /
Table dropped.
SQL>
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