Use the CASE expression and SUM function to create an order price report : Case Query « Select Query « Oracle PL / SQL

Oracle PL / SQL
1. Aggregate Functions
2. Analytical Functions
3. Char Functions
4. Constraints
5. Conversion Functions
6. Cursor
7. Data Type
8. Date Timezone
9. Hierarchical Query
10. Index
11. Insert Delete Update
12. Large Objects
13. Numeric Math Functions
14. Object Oriented Database
15. PL SQL
16. Regular Expressions
17. Report Column Page
18. Result Set
19. Select Query
20. Sequence
21. SQL Plus
22. Stored Procedure Function
23. Subquery
24. System Packages
25. System Tables Views
26. Table
27. Table Joins
28. Trigger
29. User Previliege
30. View
31. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
C# / C Sharp
C# / CSharp Tutorial
ASP.Net
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
PHP
Python
SQL Server / T-SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Oracle PL / SQL » Select Query » Case Query 
Use the CASE expression and SUM function to create an order price report
 
SQL>
SQL>
SQL> create table ord(
  2           order_no               integer          primary key
  3          ,cust_no                integer
  4          ,order_date             date not null
  5          ,total_order_price      number(7,2)
  6          ,deliver_date           date
  7          ,deliver_time           varchar2(7)
  8          ,payment_method         varchar2(2)
  9          ,emp_no                 number(3,0)
 10          ,deliver_name           varchar2(35)
 11          ,gift_message           varchar2(100)
 12  );

Table created.

SQL>
SQL>
SQL> insert into ord(order_no,cust_no,order_date,total_order_price,deliver_date,deliver_time,payment_method,emp_no,deliver_name,gift_message)
  2           values(1,1,'14-Feb-2002', 23.00'14-Feb-2002', '12 noon', 'CA',1, null, 'Gift for wife');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time ,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(2,1,'14-Feb-2003', 510.98'14-feb-2003', '5 pm', 'NY',7'Rose Ted', 'Happy Valentines Day to Mother');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(32,'14-Feb-2004', 315.99'14-feb-2004', '3 pm', 'VS',2'Ani Forest', 'Happy Valentines Day to Father');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(42,'14-Feb-1999', 191.95'14-feb-1999', '2 pm', 'NJ',2'O. John', 'Happy Valentines Day');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message    )
  2           values(56,'4-mar-2002', 101.95'5-mar-2002', '2:30 pm', 'MO'   2'Cora', 'Happy Birthday from John');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(69,'7-apr-2003', 221.95'7-apr-2003', '3 pm', 'MA', 2'Sake Keith', 'Happy Birthday from Joe' );

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(79,'20-jun-2004', 315.95'21-jun-2004', '12 noon', 'BC', 2'Jessica Li', 'Happy Birthday from Jessica');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values (812'31-dec-1999', 135.95'1-jan-2000', '12 noon', 'DI',      3'Larry', 'Happy New Year from Lawrence');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values (912'26-dec-2003', 715.95'2-jan-2004', '12 noon', 'SK',7'Did', 'Happy Birthday from Nancy' );

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(104, sysdate-1119.95, sysdate+2'6:30 pm', 'VG',2'P. Jing', 'Happy Valentines Day to Jason');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )
  2           values(112, sysdate, 310.00, sysdate+2'3:30 pm', 'DC',2'C. Late', 'Happy Birthday Day to Jack');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)
  2           values(127, sysdate-3121.95, sysdate-2'1:30 pm', 'AC',2'W. Last', 'Happy Birthday Day to You');

row created.

SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)
  2           values(137, sysdate, 211.95, sysdate-4'4:30 pm', 'CA',2'J. Bond', 'Thanks for hard working');

row created.

SQL>
SQL> select payment_method from ord;
PA
--
CA
NY
VS
NJ
MO
MA
BC
DI
SK
VG
DC
AC
CA

13 rows selected.

SQL>
SQL> select case payment_method when 'CA' then 'CASH'
  2                             when 'DI' then 'DISCOVER'
  3                             when 'VG' then 'VISA GOLD'
  4                             when 'VS' then 'VISA STANDARD'
  5                             when 'AX' then 'AMEX'
  6                             ELSE 'OTHER'
  7         END AS pay_method,
  8         sumcase when total_order_price < 30 then else endAS Small_Order,
  9         sumcase when total_order_price = 30 then else endAS Medium_Order,
 10         sumcase when total_order_price > 30 then else endAS Large_Order
 11  from ord
 12  group by payment_method
 13  /
PAY_METHOD    SMALL_ORDER MEDIUM_ORDER LARGE_ORDER
------------- ----------- ------------ -----------
VISA STANDARD           0            0           1
OTHER                   0            0           1
CASH                    1            0           1
OTHER                   0            0           1
OTHER                   0            0           1
DISCOVER                0            0           1
VISA GOLD               0            0           1
OTHER                   0            0           1
OTHER                   0            0           1
OTHER                   0            0           1
OTHER                   0            0           1
OTHER                   0            0           1

12 rows selected.

SQL>
SQL> drop table ord;

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
ww_w_.__jav__a_2___s__.__c__o__m__ | Contact Us
Copyright 2003 - 08 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.