Southwind database: medium questions
Give the name of the firm or firms who have placed no orders.
Create a list of products. For each product show the description and the total number ordered and the date of the most recent order.
Show the customer code, the received date and the total value of all purchase orders with a total value of at least £475.
List all shipments for the first week of February (2007-02-01 to 2007-02-07 inclusive). For each shipment show: the customer, the date of the shipment and the address. The address is the customer address as in tcust unless specified in tship
Show the total sales by month.