SQL Exercise: Purchase amount and commission for the last order

SQL Formatting Output: Exercise-10 with Solution

From the following table, write a SQL query to calculate the summation of purchase amount, total commission (15% for all salespeople) by each order date. Sort the result-set on order date. Return order date, summation of purchase amount and commission.

Sample table: orders

Sample Solution:

SELECT ord_date, SUM(purch_amt), 
SUM(purch_amt)*.15 
FROM orders 
GROUP BY ord_date 
ORDER BY ord_date;

Output of the Query:

ord_date	sum		?column?
2012-04-25	3045.60		456.8400
2012-06-27	250.45		37.5675
2012-07-27	2400.60		360.0900
2012-08-17	185.79		27.8685
2012-09-10	6979.15		1046.8725
2012-10-05	215.76		32.3640
2012-10-10	4463.83		669.5745

Code Explanation:

The said query in SQL that retrieves the order date, sum of purchase amounts, and sum of purchase amounts multiplied by 0.15 (15%) from the 'orders' table. The result set is grouped by the "ord_date" column and ordered by the "ord_date" in ascending order.
This query returns a total purchase amount as well as a calculated column that shows 15% of the total purchase amount, organized according to when the order was placed.

Explanation :

Visual presentation :

Practice Online

Query Visualization:

Duration:

Rows:

Cost:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous SQL Exercise: Find largest number of orders booked by the customer.
Next SQL Exercise: SQL Query on Multiple Tables Exercises Home