Show me all the product names.
select product_name from products_for_hire
What are their description?
select product_name, product_description from products_for_hire
What about their daily hire costs?
select product_name, daily_hire_cost from products_for_hire
Only show the cost of those which has 'Book' in its name.
select daily_hire_cost from products_for_hire where product_name like '%book%'