Draw e-r diagram which models online bookstore

Assignment Help Software Engineering
Reference no: EM1349773

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.

Reference no: EM1349773

Questions Cloud

Determining the traditional costing-activity based costing : K's Cornerspot, a popular university eatery in a competitive market, has seating & staff capacity to serve about 600 lunch customers every day. For the past 2 months, demand has fallen from its previous near-capacity level. Concerned about his dec..
Determine sales volume in units : Excalibur company has created a model to predict sales revenues for its line of beach towels and swimwear based on long-range weather forecasts.
Team group conflict : Is conflict something to avoid or embrace and use examples from either your personal experience or from the literature that would support your position.
Explain advertising plans to follow the general marketing : Explain Advertising plans have to follow the general marketing plan which often tries to predict how markets will change
Draw e-r diagram which models online bookstore : Draw the E-R diagram which models an online bookstore. List entity sets and their primary keys. Assume the bookstore adds music cassettes and compact disks to its collection.
Explain what are the implicattions of conflicts of interest : Conflict - Explain what are the implicattions of conflicts of interest, and how do they impact corporations?
Write down an expression for the displacement as a function : Standing on ground 3.5 from the wall of a building, you want to throw a package from your 1.6 shoulder level to someone in a second-floor window 4.5 above the ground.
Explain how do economists the absolute and relative sizes : Explain how do economists distinguish between the absolute and relative sizes of the public debt. Why is the distinction important.
Cost scheduling : A restaurant operates with two full-time employees who work eight hours per day. The rest of the employees are part-time employees who are scheduled for four hours shifts.

Reviews

Write a Review

 

Software Engineering Questions & Answers

  Information flow complexity

Cyclomatic complexity, monitoring devices, wireless dial-out device with controller, Request for Proposals (RFPs), Weighted IFC

  Three possible social effects of feasibility study

In context of a feasibility study explain one cost, one benefit and three possible social effects which would be considered.

  Design entity relationship diagram for catered accommodation

Design an entity relationship diagram for the case, explaining any suppositions you deem essential for atered or non-catered accommodation at the centre.

  Explain the characteristics of visual studio 2005

Explain the characteristics of Visual Studio 2005.

  Write an report on a significant software security

Write an report on a significant software security

  Challenges and difficulties of applying software metrics

How to execute software measurement? Write dwon challenges and difficulties of applying software metrics?

  Frame diagrams

Prepare a frame diagram for the software systems.

  Internal events by creatinguml one state diagram

Which event driven modeling can be used to illustrate how system responds to external and/or internal events by creating a UML ONE State Diagram.

  A case study in c to java conversion and extensibility

A Case Study in C to Java Conversion and Extensibility

  Creating context diagram for new system

Create a context diagram for new system. Create a diagram 0 DFD for new system. Write brief memo that describes the significance of leveling a set of DFDs.

  Draw flow chart to enter credit card balance

Draw a flow chart or write the pseudocode for an application that allows a user to enter a credit card balance. Interest rate is 1 percent per month.

  Software engineering fundamental

Software Engineering Fundamental Assignment:  Moving Pictures is an application that captures information about movies, as well as the rating and reviews of movie fans. Interview transcripts regarding it's functionality have been captured as follows..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd