Define 3nf normal form, Database Management System

Assignment Help:

3NF Normal Form

A relation schema R is in 3NF if it is in 2NF and for each FD X A either of the following is true

  • X is a Super-key of R.
  • A is a prime attribute of R.

In other words, if every non prime attribute is non-transitively related on primary key.

 

 

698_3 NF Normal Form.png


Related Discussions:- Define 3nf normal form

Evaluate the null hypothesis, 1.Suppose you are given a dataset that consis...

1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store

Lock, lock and types of lock

lock and types of lock

What is dml (data manipulation language)?, This language that enable user m...

This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar

Which database object does not physically exist, Which database object does...

Which database object does not physically exist? A view database object does not physically exist.

Php optimization on iis 8, Project Description: We have purchased facebo...

Project Description: We have purchased facebook style chat software which we are using with our site. It is prepared in PHP but the rest of the site is developed asp.net. Iss

Explain the role of a database administrator, Explain the Role of a databas...

Explain the Role of a database administrator a. Defining the Schema   The DBA describes the schema which consists of the structure of the data in the application. The DBA

Explain the disadvantages of creating a temporary table, Explain the disadv...

Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam

What is known as heap file organization, What is known as heap file organiz...

What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering

Data Relation diagram, Can you assist me in Database management system? I n...

Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...

Write Your Message!

Captcha
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