Create entity-relationship diagram for a bookstore database, Ask an Expert

Programming

Q1) Create Entity-Relationship diagram for a bookstore database, which maintains information about books, professional journals, their authors, and publishers. Books and journals are collectively referred to as publications even though publications will not appear in the E-R diagram. All publications have a unique ISBN, a title, and a year of publication. No publication is published by more than one publisher. Books have one or more authors, whereas journals have a volume and a number. Journals contain articles, each of which is authored by one or more authors. Articles have a title and a subject category and no article can appear in more than one journal. Journal article authors are distinct from book.

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DBMS, Programming

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