User Account

All Pages

Entity Integrity Vs Referential Integrity in ERD model

Assignment Help Basic Computer Science
Reference no: EM133049799

Question 1. What is your understanding of Entity Integrity Vs Referential Integrity in ERD model. Illustrated with simple examples for ease of understanding of the concepts.

Question 2. Describe various types of keys in ERD model (Primary, Foreign, Superkey etc) with simple examples.

Question 3. Describe 3 entities and illustrate different types of joins using these 3 entities assume you have three entities student, course and enrollment and these tables are related.

Reference no: EM133049799

Questions Cloud

Which cycle in System Development Life Cycle is applied : Identify which cycle in System Development Life Cycle (SDLC) is applied and what requirement in the mentioned cycle is failed to be met
What amount should company report as depreciation expense : What amount should the company report as depreciation expense for the year ended December 31, 2020
Communications technological innovation : Name a recent a communications technological innovation that may add value to any industry (you name the industry as well).
Irresponsible business practice by coca cola : Discuss in details the Irresponsible Business Practice by Coca Cola - can it be and why is it considered irresponsible business?
Entity Integrity Vs Referential Integrity in ERD model : What is your understanding of Entity Integrity Vs Referential Integrity in ERD model.
Internal analysis of the reputation : To develop e-business, companies need to analyze their internal strengths, one of which is the reputation of the organization. Perform an internal analysis of t
Aspects of the macro environment : Explain about 5 aspects of the macro environment that can affect e-business! What is the impact of the negative value of economic growth on the company's e-busi
Intellectual property and competition law : In 3 short points suggest the challenges a company in developing countries can have when enforcing intellectual property and competition laws.
What annual effective interest rate is being earned : If by astute investing the interest rate could be raised to 12%, then what sum could be saved? what annual effective interest rate is being earned?

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Identifies the cost of computer

identifies the cost of computer components to configure a computer system (including all peripheral devices where needed) for use in one of the following four situations:

  Input devices

Compare how the gestures data is generated and represented for interpretation in each of the following input devices. In your comparison, consider the data formats (radio waves, electrical signal, sound, etc.), device drivers, operating systems suppo..

  Cores on computer systems

Assignment : Cores on Computer Systems:  Differentiate between multiprocessor systems and many-core systems in terms of power efficiency, cost benefit analysis, instructions processing efficiency, and packaging form factors.

  Prepare an annual budget in an excel spreadsheet

Prepare working solutions in Excel that will manage the annual budget

  Write a research paper in relation to a software design

Research paper in relation to a Software Design related topic

  Describe the forest, domain, ou, and trust configuration

Describe the forest, domain, OU, and trust configuration for Bluesky. Include a chart or diagram of the current configuration. Currently Bluesky has a single domain and default OU structure.

  Construct a truth table for the boolean expression

Construct a truth table for the Boolean expressions ABC + A'B'C' ABC + AB'C' + A'B'C' A(BC' + B'C)

  Evaluate the cost of materials

Evaluate the cost of materials

  The marie simulator

Depending on how comfortable you are with using the MARIE simulator after reading

  What is the main advantage of using master pages

What is the main advantage of using master pages. Explain the purpose and advantage of using styles.

  Describe the three fundamental models of distributed systems

Explain the two approaches to packet delivery by the network layer in Distributed Systems. Describe the three fundamental models of Distributed Systems

  Distinguish between caching and buffering

Distinguish between caching and buffering The failure model defines the ways in which failure may occur in order to provide an understanding of the effects of failure. Give one type of failure with a brief description of the failure

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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