Aggregate function and alias column name : Aggregate Functions Basics « Aggregate Functions « Oracle PL / SQL

1. Oracle PL / SQL
2. Aggregate Functions
3. Aggregate Functions Basics

Aggregate function and alias column name

 
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', 99, 1, '15-JAN-03');

1 row created.

SQL> INSERT INTO product VALUES ('Medium Widget', 75, 1000, '15-JAN-02');

1 row created.

SQL> INSERT INTO product VALUES ('Product Number', 50, 100, '15-JAN-03');
 
1 row created.

SQL> INSERT INTO product VALUES ('Round Church Station', 25, 10000, null);

1 row created.

SQL>
SQL>
SQL>
SQL> SELECT SUBSTR(product_name, 1, 15) "Product",
  2         SUM(product_price) "Total Sold",
  3         AVG(product_price) "Average",
  4         COUNT(product_price) "Transactions",
  5         MIN(product_price) "Fewest",
  6         MAX(product_price) "Most"
  7  FROM   product
  8  GROUP BY product_name
  9  HAVING SUM(product_price) >= 5;

Product         Total Sold    Average Transactions     Fewest       Most
--------------- ---------- ---------- ------------ ---------- ----------
Product Number          50         50            1         50         50
Medium Widget           75         75            1         75         75
Round Chrome Sn         25         25            1         25         25
Small Widget            99         99            1         99         99

SQL>
SQL>
SQL> DROP TABLE product;

Table dropped.

SQL>
SQL>

 

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