SQL Exercises: Find salesman commission details where customer grade is 200 or more

SQL Query on Multiple Tables: Exercise-7 with Solution

From the following tables, write a SQL query to find those orders executed by the salesperson, ordered by the customer whose grade is greater than or equal to 200. Compute purch_amt*commission as "Commission". Return customer name, commission as "Commission%" and Commission.

Sample table: salesman

Sample table: customer

Sample table: orders

Sample Solution:

SELECT ord_no, cust_name, commission AS "Commission%",
purch_amt*commission AS "Commission"
FROM salesman,orders,customer
WHERE orders.customer_id = customer.customer_id
AND orders.salesman_id = salesman.salesman_id
AND customer.grade>=200;

Output of the query:

ord_no	cust_name	Commission%	Commission
70005	Brad Davis	0.15		360.0900
70010	Fabian Johnson	0.14		277.6802
70011	Jozy Altidor	0.13		9.7877
70001	Graham Zusi	0.13		19.5650
70007	Graham Zusi	0.13		123.3050
70012	Julian Green	0.13		32.5585

Explanation:

Pictorial presentation:

Practice Online

Query Visualization:

Duration:

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Cost:

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Previous: From the following table, write a SQL query to find those customers who served by a salesperson and the salesperson works at the commission in the range 12% to 14% (Begin and end values are included.). Return cust_name AS "Customer", city AS "City".
Next: From the following table, write a SQL query to find those customers who made orders on October 5, 2012. Return customer_id, cust_name, city, grade, salesman_id, ord_no, purch_amt, ord_date, customer_id and salesman_id.