A manufacturing company produces products. The following product information is stored: product name, product ID and quantity on
hand. These products are made up of many components. Each component can be supplied by one or more suppliers. The following component information is kept: component ID, name, description, suppliers who supply them, and products in which they are used. Create an Relational Data Model to show how you would track this information.
Show entity names, primary keys, attributes for each entity, relationships between the entities and cardinality.
ASSUMPTIONS
· A supplier can exist without providing components.
· A component does not have to be associated with a supplier.
· A component does not have to be associated with a product. Not all components are used in products.
· A product cannot exist without components.
The answer is people. It is because this is the most important element in computer based information as every information being gathered or being delivered by the computer are all base and involves with a person, that is why people are important elements in the information system.
