•Submit the ERD including all entities, attributes, relations, and constraints.
•University Bookstore has several branches throughout Bloomington, and employees may be assigned to work at any of the branches.
•Employees are identified by an ID and have a full name, date of birth, SSN, address, multiple phone numbers, a gender, and a hire date.
•A Manager runs a branch and is responsible for all operations at that branch.
•Employee cashiers sell books to customers. All purchases should have a date/time and receipt number recorded.
•Books are identified by an ISBN number which identifies the title, one or more authors, a published date, a publisher, and an edition number. The International Standard Book Number (ISBN) is assigned to each edition and variation of a book.
•Books are stocked on shelves by employee stockers. Each shelf has a location with in a branch, a capacity, and an ID.
•The manager orders stock books from suppliers. The system must capture the date and invoice number of all orders. Suppliers have an ID, a name, a contact person, a website, an address, and a phone number.
•Employees have exactly one mentor who helps them with any issues they may face. An employee may mentor more than one employee.
University Bookstore – Changes
•University Bookstore has decided to implement an emergency response training program at the request of their insurance company: •All staff are required to take a series of training classes on emergency procedures. Classes have an ID, a title, and a training level. •Each class has one or more accompanying exams which must be passed. Each exam has an ID, a title, a max score, and a passing score. If the employee fails an exam they must take the class again. •The system must keep track of each time employees take a class with exam. •University Bookstore sells used books as well as new ones. Each book has a condition, purchase price, and sale price. For each type of condition of book there is a total quantity in stock.
Note: This lab contains information that may not apply to the database such as workflow or job information.