Question
Suppose computer science department has three entity sets instructors(i_id, name, salary),courses(course_id, course_title, credit_hours) and reference_books(book_id, book_title,first_author). a. Draw an ER diagram for the entity sets.
Suppose computer science department has three entity sets instructors(i_id, name, salary),courses(course_id, course_title, credit_hours) and reference_books(book_id, book_title,first_author). a. Draw an ER diagram for the entity sets. Please note that each course must have at least one reference book. b. Convert the ER diagram to non-redundant relation schemas.
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Sams Teach Yourself Beginning Databases In 24 Hours
Authors: Ryan Stephens, Ron Plew
1st Edition
067232492X, 978-0672324925
