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SQL exercises

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:

Syntax of orders by the customers not located in the same cities where their salesmen lives

Pictorial presentation :

Result of orders by the customers not located in the same cities where their salesmen lives

Query Visualization:

Duration:

Query visualization of Orders by the customers not located in the same cities where their salesmen live - Duration

Rows:

Query visualization of Orders by the customers not located in the same cities where their salesmen live - Rows

Cost:

Query visualization of Orders by the customers not located in the same cities where their salesmen live - Cost

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

 

Practice Online


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Previous: Write a SQL statement to find the names of all customers along with the salesmen who works for them.
Next: Write a SQL statement that finds out each order number followed by the name of the customers who made the order.

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