Explain how a unary relationship can be described as one-to-one, one-to-many, and many-to-many if only one entity
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Explain how a unary relationship can be described as one-to-one, one-to-many, and many-to-many if only one entity type is involved in the relationship.
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Saud Ur Rehman
Evaluating manufacturing processes by designing and conducting research programs; applying knowledge of product design, fabrication, assembly, tooling, and materials; conferring with equipment vendors; soliciting observations from operators. Developing manufacturing processes by studying product requirements; researching, designing, modifying, and testing manufacturing methods and equipment; conferring with equipment vendors. Keeping equipment operational by coordinating maintenance and repair services; following manufacturer's instructions and established procedures; requesting special service.
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Related Book For 
Fundamentals Of Database Management Systems
ISBN: 9780470624708
2nd Edition
Authors: Mark L. Gillenson
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