create an ER table

Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter17: Markov Chains
Section: Chapter Questions
Problem 14RP
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create an ER table

Manufacturer
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.
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.
Transcribed Image Text:Manufacturer 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. 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.
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