Query a number type column with order by desc : Order By « Select Query « Oracle PL / SQL





Query a number type column with order by desc

   
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', 'oracle1@g.com', SYSDATE, 'DBA', 20000, 4, 1006);

1 row created.

SQL>
SQL> select * from employees;

EMPLOYEE_ID LAST_NAME                                          EMAIL                          HIRE_DATE JOB_ID                         DEPARTMENT_ID     SALARY MANAGER_ID
----------- -------------------------------------------------- ------------------------------ --------- ------------------------------ ------------- ---------- ----------
       1001 Lawson                                             lawson@g.com                   01-JAN-02 MGR                                        1      30000       1004
       1002 Wells                                              wells@g.com                    01-JAN-02 DBA                                        2      20000       1005
       1003 Bliss                                              bliss@g.com                    01-JAN-02 PROG                                       3      24000       1004
       1004 Kyte                                               tkyte@a.com                    13-JUN-98 MGR                                        4      25000       1005
       1005 Viper                                              sdillon@a .com                 10-JUN-08 PROG                                       1      20000       1006
       1006 Beck                                               clbeck@g.com                   10-JUN-08 PROG                                       2      20000
       1007 Java                                               java01@g.com                   10-JUN-08 PROG                                       3      20000       1006

EMPLOYEE_ID LAST_NAME                                          EMAIL                          HIRE_DATE JOB_ID                         DEPARTMENT_ID     SALARY MANAGER_ID
----------- -------------------------------------------------- ------------------------------ --------- ------------------------------ ------------- ---------- ----------
       1008 Oracle                                             oracle1@g.com                  10-JUN-08 DBA                                        4      20000       1006

8 rows selected.

SQL>
SQL> select last_name, salary
  2        from employees
  3       where salary > 12000
  4       order by salary desc
  5      /

LAST_NAME                                              SALARY
-------------------------------------------------- ----------
Lawson                                                  30000
Kyte                                                    25000
Bliss                                                   24000
Oracle                                                  20000
Viper                                                   20000
Beck                                                    20000
Java                                                    20000

LAST_NAME                                              SALARY
-------------------------------------------------- ----------
Wells                                                   20000

8 rows selected.

SQL> drop table employees;

Table dropped.

SQL>
SQL>

   
    
  










Related examples in the same category

1.Ordering data in the SELECT statement ascending
2.Order two columns
3.ORDER BY clause with more than one column:by the first column, and within that column, orders by the second
4.Specify ascending or descending for each column
5.Ordering data in the SELECT statement descending
6.Order the results by the average salary
7.Query specific columns with order by clause
8.Use aggregate function in order by clause
9.Query the same column in where statement and order by clause
10.order by 3, 2, 1
11.Get order number by using rownum column
12.DESC for descending
13.ORDER BY with all logic operators
14.Order by date value then by number value
15.Order by columns from different tables
16.Order by index
17.Order by job title ascending but birthday descending
18.Order by name and department number for salary higher than 1500
19.Order by price which is more than 50
20.Order by renamed column
21.Order by renamed column descendingly
22.Order by three columns
23.Order by, range unbounded preceding
24.Order date value by only year field with extract() function
25.Order for one column descendingly