/*Write a SQL statement to make a report with customer name, city, order no. order date, purchase amount for only those customers
on the list who must have a grade and placed one or more orders or which order(s) have been placed by the customer who is neither
in the list not have a grade.*/
SELECT a.cust_name,a.city, b.ord_no,  
b.ord_date,b.purch_amt AS "Order Amount"   
FROM customer a   
FULL OUTER JOIN orders b   
ON a.customer_id=b.customer_id   
WHERE a.grade IS NOT NULL;