aggregate function and group by clause : GROUP Function « Aggregate Functions « Oracle PL / SQL

Home
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
Oracle PL / SQL » Aggregate Functions » GROUP Function 




aggregate function and group by clause
 
SQL>
SQL> CREATE TABLE product (
  2       product_name     VARCHAR2(25),
  3       product_price    NUMBER(4,2),
  4       quantity_on_hand NUMBER(5,0),
  5       last_stock_date  DATE);

Table created.

SQL>
SQL> INSERT INTO product VALUES ('Small Widget', 991'15-JAN-03');

row created.

SQL> INSERT INTO product VALUES ('Medium Widget', 751000'15-JAN-02');

row created.

SQL> INSERT INTO product VALUES ('Product Number', 50100'15-JAN-03');

row created.

SQL>
SQL>
SQL>
SQL>
SQL> SELECT SUBSTR(product_name, 115"Product",
  2         SUM(quantity_on_hand"Total Sold",
  3         AVG(quantity_on_hand"Average",
  4         COUNT(quantity_on_hand"Transactions",
  5         MIN(quantity_on_hand"Fewest",
  6         MAX(quantity_on_hand"Most"
  7  FROM   product
  8  GROUP BY product_name;

Product         Total Sold    Average Transactions     Fewest       Most
--------------- ---------- ---------- ------------ ---------- ----------
Product Number         100        100            1        100        100
Medium Widget         1000       1000            1       1000       1000
Small Widget             1          1            1          1          1

SQL>
SQL>
SQL>
SQL> DROP TABLE product;

Table dropped.

SQL>
SQL>
SQL>

 














Related examples in the same category
1.DISTINCT operator inside a group function
2.Using the WHERE clause with group functions
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.