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

Analyze the hersheys enterprise system creates halloween

Analyze the Hershey's Enterprise System Creates Halloween Tricks caseNew Window. Prior to the Year 2000 transition, Hersey's Corporation planned a major systems project to implement a new ERP system. While the case is no ...

For this project you will write a java program that allows

For this project, you will write a Java program that allows the user to select an animal from a menu and then display information about the animal. Create a new project in your IDE named "AnimalInfo." Create a class call ...

Emergence and abm agent-based models often exhibit emergent

Emergence and ABM Agent-based models often exhibit emergent properties. One characteristic of an emergent phenomenon is that the system exhibits a property that is not defined at the individual level. For instance, exami ...

1 you can read the value instance variable of the counter

1. You can read the value instance variable of the Counter class with the getValue accessor method. Should there be a setValue mutator method to change it? Explain why or why not. 2. a. Show that the BankAccount(double i ...

1 explain the difference between an object and an object

1. Explain the difference between an object and an object reference. 2. Explain the difference between an object and an object variable. 3. Explain the difference between an object and a class. 4. Give the Java code for ...

Library research assignmentintroductionyou are to complete

Library Research Assignment Introduction You are to complete a research assignment during weeks 6-7, after a Librarian visits the class and shows various research strategies and tools during a one hour long class present ...

Assignmentin preparation for more complex data processing

Assignment In preparation for more complex data processing tasks using object oriented objects that you will create in up-coming units, in this unit you will utilize arrays to build some basic processing logic and struct ...

1 write an areatester program that constructs a rectangle

1. Write an AreaTester program that constructs a Rectangle object and then computes and prints its area. Use the getWidth and getHeight methods. Also print the expected answer. 2. Write a PerimeterTester program that con ...

Q1 analysis of algorithms for each expression in the len

Q1. Analysis of algorithms: For each expression in the leN column, give the best matching description from the right column. ______N 3 ______1 + 2 + 3 + 4 + 5 + : : : + N                                         A. 1/2N 2 ...

1 explain the advantages of ipv6 when compared to ipv42

1. Explain the advantages of IPv6 when compared to IPv4. 2. Explain the use of the flow field in IPv6. What is the potential application of this field? 3. Distinguish between compatible and mapped addresses and explain t ...

  • 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