Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Engineering Expert

problem1. describe in brief the three parts of Relational Model.

problem2. Illustrate the following terms:

i. Entity

ii. Attribute

iii. Relationship

iv. Primary Key

v. Foreign Key

vi. Candidate Key

vii. Surrogate Key

problem3. The term integrity refers to accuracy or correctness of data in database. Illustrate the following terms:

i) Domain Integrity

ii) Entity Integrity

iii) Referential Integrity

problem4. What do you understand by the term recursive relationship? Give an instance of a many to many recursive relationships.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M95824

Have any Question? 


Related Questions in Computer Engineering

1 using the discussion of circuit-switching in chapter 8

1. Using the discussion of circuit-switching in Chapter 8, explain why this type of switching was chosen for telephone networks. 2. In Chapter 8, we discussed the three communication phases involved in a circuit-switched ...

Internet technology project executiion ip3project execution

Internet Technology Project Executiion IP3 Project Execution IP3 Unit: Project Execution Deliverable Length: New content of 3-4 pages All sources should be cited both in-text and in References using APA format; with supp ...

1 intrusion detection hybrids are getting better research

1. Intrusion detection hybrids are getting better. Research the products on the market and comment on them as far as their interfaces are concerned. 2. Discuss how exploits can be used to penetrate a network. Research an ...

1 devise a plan to compute the cost of computer crime2 what

1. Devise a plan to compute the cost of computer crime. 2. What major crimes would you include in the preceding study? 3. From your study, identify the most expensive attacks. 4. Devise techniques to study the problem of ...

When does an ospf router send each of the following

When does an OSPF router send each of the following messages? a. hello b. data description c. link-state request d. link-state update e. link-state acknowledgment

1 what is a negative feedback loop how is it used to keep a

1. What is a negative feedback loop? How is it used to keep a project in control? 2. When a task is not being completed according to the plan, what two circumstances are likely to be involved?

Develop an algorithm fora an m x m median filter andb an m

Develop an algorithm for (a) an M x M median filter, and (b) an M x 1 separable median filter that minimizes the number of operations required for filtering N x N images, where N >> M. Compare the operation counts for M ...

How can us companies protect their digital assets

How Can U.S. Companies Protect their Digital Assets Overseas? Prepare a 3 to 5 paragraph briefing statement that can be used to answer the above question. Your audience will be attendees at a conference for small busines ...

Give your definition of the word machine do you believe

Give your definition of the word machine. Do you believe that humans are machines? Whatever your belief (perhaps it is either yes, no, maybe, or not entirely), use your definition and evidence about the various abilities ...

Problem 3- network design for schoolnetwork design for

Problem 3- Network Design for School: Network Design for Schoola network has to be designed for a school. There are100 computers in the school. And has 5 Labs each of them consisted of 31 computersThe users in the lab sh ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro