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a. Analyze the foll publishing system relationships and Construct an E-R Requirements of for book publishing system include: - Each publisher publishes multiple books, bute:
a. Analyze the foll publishing system relationships and Construct an E-R Requirements of for book publishing system include: - Each publisher publishes multiple books, bute: minimum for publishers are: name (unique for all publishers), with only one publisher. The number. - A publisher submits many (book) contracts, but each (book) contract is submitted by one publisher. - An author signs many contracts (with multiple publishers), and each contract is signed by one author. from the publisher to the author. Books are uniquely identified by the book's ISBN number (unique for all books), and we should keep information of publishing date, number of pages, price, and language for each book. Books can be organized by type (History, Romance, Technology, etc). intify the relationship type, the participating entity types, and the attributes of each entity type, primary key, the cardinality ratio, and participation constraints. Make any assumption you
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