Consider a relation named BOOK that contains data about the books in a library BOOK relation was initially created with the attributes BookID (an id that library assigns), ISBN , CopyNr (used to differentiate copies of the same book), Title , PublYear , Author , and AuthorBornYear Primary key BookID, CopyNr and Author Candidate key ISBN, CopyNr and Author Below you see dependencies of attributes Dependency 1 (D1) ISBN, Title, PublYear, AuthorBornYear were dependent on BookID , CopyNr and Author Dependency 2 (D2) Title and PublYear were dependent on BookID , CopyNr Dependency 3 (D3) AuthorBornYear was dependent on Author First determine which normal form (1NF, 2NF, 3NF or BCNF) the above relation is, and why Then, if necessary, convert the above relation to the highest normal form (BCNF) Write any assumptions that you make

Question: Consider a relation named BOOK that contains data about the books in a library. BOOK relation was initially created with the attributes BookID (an id

Consider a relation named BOOKthat contains data about the books in a library.BOOKrelation was initially created with the attributesBookID(an id that library assigns),ISBN, CopyNr (used to differentiate copies of the same book),Title,PublYear,Author, andAuthorBornYear.

Primary key: BookID, CopyNr and Author

Candidate key: ISBN, CopyNr and Author

Below you see dependencies of attributes:

Dependency 1 (D1): ISBN, Title, PublYear, AuthorBornYear were dependent onBookID,CopyNrandAuthor
Dependency 2 (D2): Title and PublYear were dependent onBookID,CopyNr
Dependency 3 (D3): AuthorBornYear was dependent onAuthor

First determine which normal form (1NF, 2NF, 3NF or BCNF) the above relation is, and why. Then, if necessary, convert the above relation to the highest normal form (BCNF). Write any assumptions that you make.

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