Designing an e-r diagram, Assume that at PVF, every product

Designing an e-r diagram

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Reference no: EM1321797

Assume that at PVF, every product (explained by Product No., Description, and Cost) is composed of at least three elements (explained by Component No., Description, and Unit of Measure), and elements are used in order to make one or many products (i.e., should be used in at least one product). Additionally, suppose that elements are utilized to make other components and that raw materials are also regarded to be components. In both the cases of components being utilized to make the products and components being utilized to make other components, we required to keep track of how many elements go into making something else. Design an E-R diagram for this situation and keep the minimum and maximum cardinalities on diagram.

Reference no: EM1321797

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