SQL Exercises: Orders by the customers not located in the same cities where their salesmen live

SQL Query on Multiple Tables: Exercise-3 with Solution

Write a SQL statement to display all those orders by the customers not located in the same cities where their salesmen live.

Sample table: salesman

Sample table: customer

Sample table: orders

Sample Solution :

SELECT ord_no, cust_name, orders.customer_id, orders.salesman_id
FROM salesman, customer, orders
WHERE customer.city <> salesman.city
AND orders.customer_id = customer.customer_id
AND orders.salesman_id = salesman.salesman_id;

Output of the query:

ord_no	cust_name	customer_id	salesman_id
70004	Geoff Cameron	3009		5003
70003	Geoff Cameron	3009		5003
70011	Jozy Altidor	3003		5007
70001	Graham Zusi	3005		5002
70007	Graham Zusi	3005		5002
70012	Julian Green	3008		5002

Explanation :

Pictorial presentation :

Query Visualization:

Duration:

Rows:

Cost:

Note: The pictorial represetation above is based on hypothetical table for the purpose of explanation only. Your answer may not match.

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