SQL Subquery Exercises: Display the names and numbers of all salesmen who had more than one customer
SQL SUBQUERY: Exercise-11 with Solution
11. Write a query to find the name and numbers of all salesmen who had more than one customer.
Sample table: customer
Sample table: salesman
SELECT salesman_id,name FROM salesman a WHERE 1 < (SELECT COUNT(*) FROM customer WHERE salesman_id=a.salesman_id);
salesman_id name 5001 James Hoog 5002 Nail Knite
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