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Why two entities are needed to model multivalued attributes

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Reference no: EM131219938

a. In general terms, explain how to differentiate an N:M strong entity pattern from an association pattern.

b. Explain why two entities are needed to model multivalued attributes.

c. How do the forms in Figures 5-26 and 5-28 differ? How does this difference affect the data model?

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Reference no: EM131219938

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