How many times has any product been booked?
select count(*) from products_booked
Show me the product at each time.
select product_id from products_booked
What about their booked amount?
select booked_count from products_booked
Show me the maximum, minimum, and average of them.
select max(booked_count), min(booked_count), avg(booked_count) from products_booked