Why there is a need to use primary key in database, JAVA Programming

Assignment Help:

Why there is a need to use primary key in database ?

Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.


Related Discussions:- Why there is a need to use primary key in database

Non-final functions in java object class, Normal 0 false fals...

Normal 0 false false false EN-US X-NONE X-NONE

Using polymorphism to write a program to display digital clo, using polymor...

using polymorphism to write a program to display digital clock

Arithmetic, 1-4 Problem Set: Arithmetic Consider the following statement wh...

1-4 Problem Set: Arithmetic Consider the following statement when responding to questions 1 and 2: Jim develops 5 Java applications a year. Joe develops 10 Java applications a year

What are the non-final functions in java object class?, The non-final funct...

The non-final functions are clone (), finalize (), toString (), equals () , hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final

Difference between inheritance and polymorphism, Question 1: a) What is...

Question 1: a) What is the meaning of an object-oriented programming? b) List eight simple types of data in Java c) Explain how objects and classes are closely related.

What are synchronized methods and synchronized statements, What are synchro...

What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to an object. A thread only implements a synchronize

What is methods in java explain with an example, What is Methods in java ex...

What is Methods in java explain with an example? Data types aren't much use unless you can do things along with them. For this reasons classes have techniques. Fields say what

I need basic mobile app, Project Description: Android app for particular...

Project Description: Android app for particular needs children Provide the fonts, layouts and images of the app. Functions: home screen: main page that links to 'login'

Program, Develop a code for fibonacci series

Develop a code for fibonacci series

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