Using DENSE_RANK and RANK together

CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
                  ENAME VARCHAR2(10),
                  JOB VARCHAR2(9),
                  SAL NUMBER(7, 2),
                  NewSAL NUMBER(7, 2),
                  DEPTNO NUMBER(2));

INSERT INTO EMP VALUES (1, 'SMITH', 'CLERK',     800,  810,   20);
INSERT INTO EMP VALUES (2, 'ALLEN', 'SALESMAN', 1600, 1610,   30);
INSERT INTO EMP VALUES (3, 'WARD',  'SALESMAN', 1250, 1210,   30);
INSERT INTO EMP VALUES (4, 'JONES', 'MANAGER',  2975, 2915,   20);
INSERT INTO EMP VALUES (5, 'MARTIN','SALESMAN', 1250, 1210,   30);
INSERT INTO EMP VALUES (6, 'BLAKE', 'MANAGER',  2850, 2810,   30);
INSERT INTO EMP VALUES (7, 'CLARK', 'MANAGER',  2850, 2810,   10);
INSERT INTO EMP VALUES (8, 'SCOTT', 'ANALYST',  3000, 3010,   20);
INSERT INTO EMP VALUES (9, 'KING',  'PRESIDENT',3000, 3010,   10);
INSERT INTO EMP VALUES (10,'TURNER','SALESMAN', 1500, 1510,   30);
INSERT INTO EMP VALUES (11,'ADAMS', 'CLERK',    1500, 1510,   20);

SQL>
SQL> select job,
  2         RANK() over(order by sal),
  3         DENSE_RANK() over(order by sal)
  4  from emp;

JOB       RANK()OVER(ORDERBYSAL) DENSE_RANK()OVER(ORDERBYSAL)
--------- ---------------------- ----------------------------
CLERK                          1                            1
SALESMAN                       2                            2
SALESMAN                       2                            2
SALESMAN                       4                            3
CLERK                          4                            3
SALESMAN                       6                            4
MANAGER                        7                            5
MANAGER                        7                            5
MANAGER                        9                            6
PRESIDENT                     10                            7
ANALYST                       10                            7

11 rows selected.

SQL>