SQL Exercises: Find the customer and salesmen who lives in same city

SQL Query on Multiple Tables: Exercise-1 with Solution

From the following tables, write a SQL query to find the salespersons and customers who live in same city. Return customer name, salesperson name and salesperson city.

Sample table: salesman

Sample table: customer

Sample Solution:

SELECT customer.cust_name,
salesman.name, salesman.city
FROM salesman, customer
WHERE salesman.city = customer.city;

Output of the query:

cust_name	name		city
Nick Rimando	James Hoog	New York
Brad Davis	James Hoog	New York
Julian Green	Pit Alex	London
Fabian Johnson	Mc Lyon		Paris
Fabian Johnson	Nail Knite	Paris
Brad Guzan	Pit Alex	London

Relational Algebra Expression:

Relational Algebra Tree:

Explanation:

Pictorial presentation:

Practice Online

Query Visualization:

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Rows:

Cost:

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