/*Write a SQL statement to make a report with customer name, city, order number, order date, order amount salesman name and 
commission to find that either any of the existing customers have placed no order or placed one or more orders by their salesman
 or by own. */
SELECT a.cust_name,a.city, b.ord_no,  
b.ord_date,b.purch_amt AS "Order Amount",   
c.name,c.commission   
FROM customer a   
LEFT OUTER JOIN orders b   
ON a.customer_id=b.customer_id   
LEFT OUTER JOIN salesman c   
ON c.salesman_id=b.salesman_id;