an invoice is written by one sales rep but a sales rep writes many invoices a vendor sells many products but a product is bought from one vendor an invoice has one or many products and a product is found on zero, one or many invoices ● Identify the entity ● Identify the entity’s attribute ● Identify the primary and foreign Keys ● Identify relationship between Entities ● Identify the Cardinality constraints ● Draw ERD

an invoice is written by one sales rep but a sales rep writes many invoices a vendor sells many products but a product is bought from one vendor an invoice has one or many products and a product is...

an invoice has one or many products and a product is found on zero, one or many invoices

●	Identify the entity
●	Identify the entity’s attribute
●	Identify the primary and foreign Keys
●	Identify relationship between Entities
●	Identify the Cardinality constraints
●	Draw ERD

Jun 02, 2022