Table's Schemas - Sport's Store

The schemas for the 2 tables are:

Customers (20M rows)

• CustomerID INT
• Name VARCHAR (100)
• Item VARCHAR (100)
• Phone VARCHAR (15)

Purchases (20M rows)

• PurchaseID INT
• CustomerID INT
• PurchaseDate DATE
• AreaCode VARCHAR (3)
• Item VARCHAR (100)
• Price DECIMAL(10, 2)