The dependency diagram below indicates that authors are paid royalties for each book they write for a publisher. The amount of the royalty can vary by author, by book, and by edition of the book. (10) a)    Based on the dependency diagram above, create a database whose tables are at least in 2NF, showing the dependency diagram for each table. b)   Create a database whose tables are in 3NF, showing the dependency diagram for each table.

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Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.