Smallville Library narrative design and document a logical data model using Erwin.

technical writing

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Smallville Library narrative, design and document a logical data model using Erwin. You should also make and document any reasonable assumptions where you feel the case is vague or ambiguous or missing any data necessary to meet the requirements. However, you cannot ignore or overrule the requirements that are explicitly stated. Show all cardinality, prime keys and foreign keys. Use verbs to clarify your relationships. Show only the attributes that are contained explicitly in the case. Only create a new identifier for an entity if there a no existing attributes that can be reasonably used to define a primary key

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