SQL Exercises: Find the customers along with the salesmen who works for them
SQL Query on Multiple Tables: Exercise-2 with Solution
From the following tables, write a SQL query to find all the customers along with the salesperson who works for them. Return customer name, and salesperson name.
Sample table: customer
Sample table: salesman
SELECT customer.cust_name, salesman.name FROM customer,salesman WHERE salesman.salesman_id = customer.salesman_id;
Output of the query:
cust_name name Nick Rimando James Hoog Brad Davis James Hoog Graham Zusi Nail Knite Julian Green Nail Knite Fabian Johnson Mc Lyon Geoff Cameron Lauson Hen Jozy Altidor Paul Adam Brad Guzan Pit Alex
Relational Algebra Expression:
Relational Algebra Tree:
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Previous: 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.
Next: From the following tables, write a SQL query to find those sales people who generated orders for their customers but not located in the same city. Return ord_no, cust_name, customer_id (orders table), salesman_id (orders table).
What is the difficulty level of this exercise?
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