Design a data model for a software that manages booksfor a public library. The first step is to create anentity-relationship model. You have to decide the followingitems:
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What are the entities? (at least 4)
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Each entity can have 1 or many properties (orattributes). List the properties for each entity.
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What are the relationships between theentities?
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Specify the cardinality of each relationship (1-to-1,1-to-many,…)
Draw diagram(s) for your data model.
There are many free tools to draw ER diagrams that youcan use.
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