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Exercise 4 . 3 ( { part a: 1 , part b: 3 } ) : Consider the relation schema containing book data for a
Exercise part a: part b::
Consider the relation schema containing book data for a bookstore:
Book title author, isbn, publisher, pubDate, pubCity, qtyOnHand
a Write out the table for an instance of this relation.
b Identify a superkey, a candidate key, and the primary key, writing out any assumptions you need to make to justify your choice.
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