please help

1. Write a query to show the detail of the customer with the highest credit limit. 2. Write a query to show the number of payments from each customer. Hint: use a subquery in the SELECT clause. 3. Write a query to show the highest total payment. Hint: use the solution to Q2 in the From Clause. 4. Write a query to show the number of each customer's orders. Hint: use a subquery in the. SELECT clause. 5. Write a query to show the customer that has the highest number of orders. Hint: use the solution to Q4 in the From Clause. 6. Write a query to show the number of employees in each office. Hint: use a subquery in the SELECT clause. 7. Write a query to show the customers that have not placed any orders. Hint: use a subquery in the WHERE clause. 8. Write a query to show the value of each order. Hint: use a subquery in the SELECT clause. 9. Write a query to show the total payments of each customer. Hint: use a subquery in the SELECT clause with the slight modification of Q2. 10. Write a query to show the products that have not been ordered. Hint: use a subquery in the WHERE clause