Draw an er diagram

Assignment Help Basic Computer Science
Reference no: EM13832703

a. Draw an ER diagram. Make sure each entity type has at least one key attribute. Document any assumptions you make. Avoid diagrams with a single entity. b. If you think the description is incomplete, list other data the database should store. c. Adjust your design to incorporate these additions. Problem 1: A space agency wants to develop a database of all satellites that humans have launched into space. Data includes the satellite identification, date of launch, destruction date, purpose, maximum orbital altitude, launching location, launching agency, and contact information for agency. Problem 2: A psychological study requires participants to answer a number of questions related to personality. The database should store the multiple choice answers (A, B, C, D) to the questions and information about each participant, such as participant id, age, and sex. The database should compute a score based on the individual's answers. The score indicates one of 8 personality categories. Each category has an identifying name and specifies that each of three qualities is either true or false. 

Reference no: EM13832703

Questions Cloud

What is the break-even level of income : Assume that when an economy has a GDP of $500, Consumption is $550. The MPC is .75. Investment is 25. Begin the problem by setting up an Income/Consumption Schedule like the one on page 190 of your text. What is the Break-Even level of Income? What i..
Valid strategy option for entering in foreign market : Which of the following is/are not "valid" strategy options for entering and/or competing in foreign markets? A franchising strategy and a strategy of licensing foreign firms to use the company's technology or to produce and distribute the company's p..
A few of the main topics discussed in module : 1. A few of the main topics discussed in Module 1 are:  ICMP IP Fragmentation Traceroute
How does need for energy most contribute to environmental : How does the need for energy most contribute to environmental challenges
Draw an er diagram : a. Draw an ER diagram. Make sure each entity type has at least one key attribute. Document any assumptions you make. Avoid diagrams with a single entity. b. If you think the description is incomplete, list other data the database should store. c. Adj..
Affect output and the price level in the keynesian case : Suppose that the government increases spending from G to G1 while simultaneously raising taxes in such a way that, at the initial level of output, the budget remains balanced. Show the effect of this change on the aggregate demand schedule. How does ..
How the sox act may affect ethical decision : Write a 350- to 700-word review of the article. Your review should discuss how the SOX Act may affect ethical decision making in today's business environment, and the criminal penalties for which the act provides
Is elasticity elastic-inelastic or neither : Analysis of Pricing: You manage MBA Deli which sells meals at a price of $6 each. The average number of meals sold per month is 7,000. MBA Deli would like to increase its sales and profits. What is the Price Elasticity of Demand? What does this mean ..
What term do economists use to describe this second outcome : In contrast, suppose that the CPI was 140 last year and is 132 this year. What is this year’s rate of inflation? What term do economists use to describe this second outcome?

Reviews

Write a Review

 

Basic Computer Science Questions & Answers

  Identify an incident in cybercrime or cyberwarfare

Identify an incident in cybercrime or cyberwarfare related to this entity. Fully discuss the specifics of the cyber incident (and related incidents) and analyze the motivation of the actors/attackers. Also suggest methods for organizations to d..

  How do you print the rightmost element in a binary tree

How do you print the rightmost element in a binary tree?

  Use css comments to document the css program

Create a css file named style.css to format index.htm and provide a basic layout. Use css comments to document the css program.

  Write a program that simulates a guessing game in a gui

Write a program that simulates a guessing game in a GUI program.

  Course about communication

Explain how applying what you have learned in this course about communication, collaboration, problem solving skills, ethics and organizational citizenship can help you be a successful citizen of your organization. Be sure to discuss each one o..

  Prolog sudoku

Write a Prolog program to solve the 6 by 6 Sudoku puzzle distributed in class. Do not use a solution downloaded from the Internet or elsewhere. Write your own. It should be designed along these lines

  Draw the hieararchy chart

Draw the hieararchy chart and then plan the logice for a program that calculates a person's body mass index BMI. BMI is a statistical measure that compares the person's weight and height.

  Which item in the stack is to be removed first

Which item in the stack is to be removed first?

  What would you recommend to meet your company needs

Your company wants to implement a strategy for backing up network data. It wants a strategy that allows it to back up changed files on a daily basis and recover lost files quickly in the event of disk failure. What would you recommend to meet your..

  Wi-fi used to support mobile computing and m-commerce

Explain ways in which Wi-Fi is being used to support mobile computing and m-commerce. Also explain ways in which Wi-Fi is affecting the use of cellular phones for m-commerce.

  Explain how primitive values like doubles are passed

Explain how primitive values like doubles are passed between functions in Java. How are string objects passed between functions in Java?

  Define using biometrics to identity a terrorist in a crowd

What is the difference between using biometrics to ensure that only certain employees enter a bank vault and using biometrics to identity a terrorist in a crowd. Which application is more reliable and why. Assume that we're using facial recognitio..

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