Draw e-r diagram which models online bookstore
Course:- Software Engineering
Reference No.:- EM1349773

Assignment Help
Expertsmind Rated 4.9 / 5 based on 47215 reviews.
Review Site
Assignment Help >> Software Engineering

Q1) Draw the E-R diagram which models an online bookstore.

a. List the entity sets and their primary keys.

b. Suppose the bookstore adds music cassettes and compact disks to its collection. The same music item may be present in cassette or compact disk format, with differing prices. Extend the E-R diagram to model this addition, ignoring the effect on shopping baskets.

c. Now extend the E-R diagram, using generalization, to model the case where a shopping basket may contain any combination of books, music cassettes, or compact disks.

Put your comment

Ask Question & Get Answers from Experts
Browse some more (Software Engineering) Materials
Write a 200- to 300-word short-answer response to the following: Review the following article on software testing levels -http://www.seguetech.com/blog/2013/07/31/four-level
Using black box design and analyze the polynomial-time algorithm which calculates the assignment to variables which satisfies the formula.
Prepare the solution as per the required criteria mentioned in the document, if you need any material please let me know - You are to create a Z schema that adequately describ
The system is expected to provide functionality for maintaining the list of employees and general maintenance of the system database by a manager including creation, modific
Illustrate how are RFID systems used in inventory control and supply chain management? What kinds of relationships are possible in relational database?
Let G = (V, E) be a graph in which V = {a1, a2, · · · , an} is the set of its nodes and E ={(ai, aj )|1 ≤ i, j ≤ n}, is the set of its edges. Let di be the degree of each node
Need to do the Requirements, Product specification, Software management plan and review minutes and time log for the project. I've attached the outline for all these phases.
You need to select a tool for project planning and scheduling from various tools available in the market. What factors would you consider in selecting the most appropriate s