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

What is meant by weaving, The process of applying aspects to a target objec...

The process of applying aspects to a target object to form a new proxy object is known as Weaving. The aspects are woven into the target object at the verified join points.

Write javascript code to convert the number, Write JavaScript code to conve...

Write JavaScript code to convert the number 236.2363611111556 into currency format and JavaScript statement to show output? Var input_amt = 236.2363611111556 ; mid_data = input

Explain different way of using thread, Explain different way of using threa...

Explain different way of using thread? The thread could be executed by using runnable interface or by inheriting from the Thread class. The former is more advantageous, 'cau

Interfaces and generics, In this assignment, you are provided with an inter...

In this assignment, you are provided with an interface that contains a generic type. You are asked to create two classes that implement this interface. A. The Sequenced Interfac

the file system simulator , • Study and enhance the File System Simulator ...

• Study and enhance the File System Simulator - See the FS_sim slide deck • New features - blockinfo - a new application that displays the information about the blocks in the file

List down the analytical engine''s elements name, List down the Analytical ...

List down the Analytical Engine's elements name An analytical engine elements are as follows: Input Memory Processor Output.

What is the purpose of garbage collection in java, What is the purpose of g...

What is the purpose of garbage collection in Java, and when is it used? The purpose of garbage collection is to identify and discard objects that are no longer required by a pr

What is mvc, Model-View-Controller (MVC) is a design pattern put together t...

Model-View-Controller (MVC) is a design pattern put together to help control change. MVC decouples interface from business logic and data. ? Model: The model having the core of

Spring application support, JAVA, JSF(primefaces), SPRING Application Suppo...

JAVA, JSF(primefaces), SPRING Application Support Project Description: We require some one to be part of our team's new development , it's small application but in future, ch

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