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

Explanation :

Pictorial presentation :

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