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 define and discuss software as a service saas

1. Define and discuss Software as a service (SaaS), Infrastructure as a service (IaaS), and storage as a service. 2. Describe the seven business models of software. 3. Discuss the services that make up/describe cloud com ...

1 complete the tutorials that are available in the netlogo

1. Complete the tutorials that are available in the NetLogo User Manual. 2. Look over the models in the Sample Models section of the NetLogo models library. The models are grouped by subject area. Pick out a model you fi ...

1 under what scenarios would entry 2s valid bit be set to

1. Under what scenarios would entry 2's valid bit be set to zero? 2. What happens when an instruction writes to VA page 30? When would a software managed TLB be faster than a hardware managed TLB? 3. What happens when an ...

1 what is the total execution time of this instruction

1. What is the total execution time of this instruction sequence without forwarding and with full forwarding? What is the speedup achieved by adding full forwarding to a pipeline that had no forwarding? 2. Add nop instru ...

1nbsptcos 3 and 5 in windows 7 how do you open the task

1.  (TCOs 3 and 5) In Windows 7, how do you open the Task Manager? On the Processes tab, name, and describe at least three parameters that are displayed by default. Should be at least one paragraph

1 there are evaluated computer products on the market find

1. There are evaluated computer products on the market. Find out how one finds out whether a computer product has a security evaluation. 2. If you have a computer product, how do you get it evaluated? Does the evaluation ...

1 some have sounded an apocalyptic voice as far as finding

1. Some have sounded an apocalyptic voice as far as finding solutions to system vulnerabilities. Should we take them seriously? Support your response. 2. What is innovative misuse? What role does it play in the search fo ...

Purposedemonstrate the ability to implement and use

Purpose Demonstrate the ability to implement and use structured data types utilizing the facilities of the C programming language. Assignment Write a program that simulates a soft drink machine. Your program will consist ...

1 why is antivirus software always developed after the

1. Why is antivirus software always developed after the virus has stricken? 2. Describe the similarities between biological viruses and computer viruses. 3. What are the difficulties faced by a community that wants to fi ...

1 show a pipeline execution diagram for the third iteration

1. Show a pipeline execution diagram for the third iteration of this loop, from the cycle in which we fetch the first instruction of that iteration up to (but not including) the cycle in which we can fetch the first inst ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen