N+1 Reads
		Ÿ Must have solution to minimize queries Ÿ Need flexibility to reduce to 1 query, 1+1 query or N+1 query where appropriate – 1 Query when displaying list of customers and addresses – known as a “Join Read” – 1+1 Query when displaying list of customers and user may click button to see addresses – known as a “Batch Read” – N+1 Query when displaying list of customers but only want to see address for selected customer