Select all columns from the Purchase table. In this store, each purchase is for one kind of product. It consists of the following columns:
Id – uniquely identifies each order.
ProductId – the ID of the product included in the order.
Quantity – how many of each product is in the order.
TotalPrice – the total amount for those products.
CustomerId – the ID of the customer who bought the order.
EmployeeId – the ID of the employee who sold the order.
OrderDate – the date on which the order was placed.
IsCompleted – a boolean value denoting if the purchase was completed (1) or not (0). Note that the values are displayed as true and false, respectively.