Draw the original and final data models and state assumption

Assignment Help Database Management System
Reference no: EM13950402

Transform the following entities into 1NF and 2NF entities. Draw the original and final data models, and state any reasonable assumptions. (Note: primary keys are underlined)

AIRCRAFT (AIRCRAFT ID NUMBER, AIRCRAFT CODE, AIRCRAFT DESCRIPTION, NUMBER OF SEATS)

FLIGHT (FLIGHT NUMBER, DEAPRTURE CITY, 1{ARRIVAL CITY} n, MEAL CODE, 1{FLIGHT DATE, CURRENT SEAT PRICE}m )

PASSENGER (PASSENGER NUMBER, PASSENGER NAME, FREQUENT FLYER NUMBER, 1{FLIGHT NUMBER, SEAT NUMBER, QUOTED SEAT PRICE, AMOUNT PAID, BALANCE DUE} )

Reference no: EM13950402

Questions Cloud

Consisting of an equilibrium mixture : One kmol of CO2 in a piston-cylinder assembly, initially at temperature T and 1 atm, is heated at constant pressure until a final state is attained consisting of an equilibrium mixture of CO2, CO, and O2 in which the amount of CO2 present is 0.422..
Complete a consolidated worksheet for purnell corporation : Complete a consolidated worksheet for Purnell Corporation and its subsidiary Sentinel Corporation as of December 31, 20X1.
The decision to outsource it functions : What are the critical success factors in taking the decision to outsource IT functions? Which functions, if any, can/should be outsourced? What are the risks associated with outsourcing or offshoring?•
Determine heat transfer between reactor : Determine the heat transfer between the reactor and its surroundings, in kJ per kmol of propane entering. Neglect kinetic and potential energy effects.
Draw the original and final data models and state assumption : Transform the following entities into 1NF and 2NF entities. Draw the original and final data models, and state any reasonable assumptions. (Note: primary keys are underlined)
Determine the specific flow exergy : Determine the specific flow exergy, in Btu/lbmol and Btu/lb, at 440°F, 73.5 lbf/in.2 for (a) nitrogen (N2) and (b) carbon dioxide (CO2), each modeled as an ideal gas, and relative to an exergy reference environment for which T0 5 77°F, p0 5 14.7 l..
What communication characteristics do these businesses share : Given how widely e-commerce has spread, provide examples of businesses that do not have an e-commerce component. What communication characteristics do these businesses share
The global leadership of carlos ghosn at nissan : This assignment uses a grading rubric. Instructors will be using the rubric to grade the assignment; therefore, students should review the rubric prior to beginning the assignment to become familiar with the assignment criteria and expectations fo..
Difference between exergy destruction values : Comment on the difference between the exergy destruction values. (a) The process is brought about adiabatically by stirring the mixture with a paddle wheel.

Reviews

Write a Review

 

Database Management System Questions & Answers

  What do you find most interesting in the failure stories

What generalizations apply across the cases? ?What do you find most interesting in the failure stories? ?Do they provide any insights about how a failure might be avoided

  Create an application that allows the user to enter the data

Create an application that allows the user to enter the following employee data

  Build entity relationship model military information system

Build an entity relationship model for the above scenario. Show all attributes and indicate all of your key attributes in red.

  To analyse and comprehend a provided er diagram

Display the item id and the difference between the default price and cost (ITECH5006 - together with a percentage markup) of all products.

  Implement a program to query and update the text database

Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-consumer model to control the inventory of each item.

  Web server vulnerabilities

Describe at least three web server vulnerabilities and how they are typically exploited. Provide unique answers here, posting early will help.

  Estimate the height of the b plus tree

Estimate the height of the B+ tree. (Giving a range of heights is fine.) Also estimate the amount of memory needed to store the tree, including leaves but not including the posting lists themselves.

  1 not having an appropriate index can cause a full table

1. not having an appropriate index can cause a full table scan while performing the select statement by using a

  In online marketing a shopping cart is a piece of

in online marketing a shopping cart is a piece of e-commerce software on a web server that allows visitors to an

  Develop a new information system

MGMT321 Group Project :  You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..

  Append the last two lines of each file to the file

Find the differences between the two files and append the result to the file called "scales".out (Hint: diff command can do this)

  The traditional retail model has focused on finding

assignment 3 how is technology changing the face of business today?the traditional retail model has focused on finding

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