Use the CASE expression and SUM function : Case Query « Select Query « Oracle PL / SQL






Use the CASE expression and SUM function

    
SQL>
SQL>
SQL> create table employee(
  2           emp_no                 integer         primary key
  3          ,lastname               varchar2(20)    not null
  4          ,firstname              varchar2(15)    not null
  5          ,midinit                varchar2(1)
  6          ,street                 varchar2(30)
  7          ,city                   varchar2(20)
  8          ,state                  varchar2(2)
  9          ,zip                    varchar2(5)
 10          ,zip_4                  varchar2(4)
 11          ,area_code              varchar2(3)
 12          ,phone                  varchar2(8)
 13          ,salary                 number(3)
 14          ,birthdate              date
 15          ,hiredate               date
 16          ,title                  varchar2(20)
 17          ,dept_no                integer
 18          ,mgr                    integer
 19          ,region                 number
 20          ,division               number
 21          ,total_sales            number
 22  );

Table created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (1,'Anderson','Nancy','N','33 Ave','London','NY','11111','1111','212','234-1111',3.75,'21-mar-1927','1-feb-1947','Sales Manager',2,null,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (2,'Last','First','F','12 Ave','Paris','CA','22222','2222','223','867-2222',7.75,'14-feb-1976','15-mar-1985','Sales Clerk',2,1,100,10,10000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (3,'Wash','Georgia','G','1 Street14','Barton','NJ','33333','3333','214','340-3333',11.50,'2-jul-1977','21-apr-2004','Designer',1,2,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (4,'Bush','Dave','D','56 Street','Island','RI','44444','4444','215','777-4444',21.65,'15-may-1945','2-aug-1975','Designer',1,2,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (5,'Will','Robin','W','56 Street','Island','MA','55555','5555','216','777-5555',24.65,'10-dec-1980','2-aug-2007','Designer',1,5,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (6,'Pete','Mona','M','13 Ave','York','MO','66666','6666','217','111-6666',9,'14-feb-1966','15-mar-1985','Sales Clerk',2,5,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (7,'Roke','John','J','67 Ave','New York','BC','77777','7777','218','122-7777',10.00,'14-jun-1955','15-mar-1975','Accountant',3,2,100,10,40000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (8,'Horry','Tedi','T','1236 Lane','Newton','NY','88888','8888','219','222-8888',13.00,'10-jun-1955','15-aug-1985','Sales Representative',3,2,100,10,50000);

1 row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2                values (9,'Bar','Candi','C','400 East Street','Yorken','NY','99999','9999','220','321-9999',12.00,'10-oct-1933','15-jan-1969','Sales Representative',3,5,100,10,35000);

1 row created.

SQL>
SQL> select * from employee;
    EMP_NO LASTNAME             FIRSTNAME       M STREET                         CITY                 ST ZIP   ZIP_ ARE PHONE        SALARY
---------- -------------------- --------------- - ------------------------------ -------------------- -- ----- ---- --- -------- ----------
BIRTHDATE            HIREDATE             TITLE                   DEPT_NO        MGR     REGION   DIVISION TOTAL_SALES
-------------------- -------------------- -------------------- ---------- ---------- ---------- ---------- -----------
         1 Anderson             Nancy           N 33 Ave                         London               NY 11111 1111 212 234-1111          4
21-MAR-1927 00:00:00 01-FEB-1947 00:00:00 Sales Manager                 2                   100      10  40000

         2 Last                 First           F 12 Ave                         Paris                CA 22222 2222 223 867-2222          8
14-FEB-1976 00:00:00 15-MAR-1985 00:00:00 Sales Clerk                   2          1        100      10  10000

         3 Wash                 Georgia         G 1 Street14                     Barton               NJ 33333 3333 214 340-3333         12
02-JUL-1977 00:00:00 21-APR-2004 00:00:00 Designer                      1          2        100      10  40000

         4 Bush                 Dave            D 56 Street                      Island               RI 44444 4444 215 777-4444         22
15-MAY-1945 00:00:00 02-AUG-1975 00:00:00 Designer                      1          2        100      10  40000

         5 Will                 Robin           W 56 Street                      Island               MA 55555 5555 216 777-5555         25
10-DEC-1980 00:00:00 02-AUG-2007 00:00:00 Designer                      1          5        100      10  40000

         6 Pete                 Mona            M 13 Ave                         York                 MO 66666 6666 217 111-6666          9
14-FEB-1966 00:00:00 15-MAR-1985 00:00:00 Sales Clerk                   2          5        100      10  40000

         7 Roke                 John            J 67 Ave                         New York             BC 77777 7777 218 122-7777         10
14-JUN-1955 00:00:00 15-MAR-1975 00:00:00 Accountant                    3          2        100      10  40000

         8 Horry                Tedi            T 1236 Lane                      Newton               NY 88888 8888 219 222-8888         13
10-JUN-1955 00:00:00 15-AUG-1985 00:00:00 Sales Representative          3          2        100      10  50000

         9 Bar                  Candi           C 400 East Street                Yorken               NY 99999 9999 220 321-9999         12
10-OCT-1933 00:00:00 15-JAN-1969 00:00:00 Sales Representative          3          5        100      10  35000


9 rows selected.

SQL>
SQL> select dept_no, title,
  2         case
  3         when upper(title) like '%SALES%' then sum(salary)
  4         when upper(title) = 'ACCOUNTANT' then sum(salary)
  5         when upper(title) = 'DESIGNER' then sum(salary)
  6         end AS sum_salary
  7  FROM EMPLOYEE
  8  GROUP BY dept_no, title;
   DEPT_NO TITLE                SUM_SALARY
---------- -------------------- ----------
         2 Sales Clerk                  17
         1 Designer                     59
         3 Sales Representative         25
         2 Sales Manager                 4
         3 Accountant                   10

5 rows selected.

SQL>
SQL>
SQL> drop table employee;

Table dropped.

SQL> --

   
    
    
  








Related examples in the same category

1.You could use the case statement in an SQL statement
2.Combine case with NVL function
3.Combine Case with group by
4.Use the CASE expression and SUM function to create an order price report
5.case switch based on clob data
6.Use case ... when to output comments for marks
7.Use case when and grouping function together
8.Use case when clause to decode value
9.Use case when statement to replace if statement
10.Use case when statement with between ... and
11.Use case when statement with exists and subquery
12.Use case when statement with in()
13.Use case when statement with to_char() like
14.Use case when with comparasion operator
15.A searched CASE statement
16.use case when to control the order index
17.case when count(*) NOT between ... and
18.Rename case when column