Table	Columns
pricing_data	id (INTEGER, PRIMARY KEY AUTOINCREMENT),
	timestamp (TEXT)
items	id (INTEGER, PRIMARY KEY AUTOINCREMENT),
	item_id (INTEGER),
	item_name (TEXT)
pricing_details	id (INTEGER, PRIMARY KEY AUTOINCREMENT),
	pricing_id (INTEGER, FOREIGN KEY),
	item_id (INTEGER, FOREIGN KEY),
	price (INTEGER)