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

Create objects of student class by calling default, Create objects of stude...

Create objects of student class by calling default Create objects of student class by calling default, parameterize and copy constructor Call student class different methods on

Define all the members of identified classes using java, A Mexican restaura...

A Mexican restaurant in London is struggling with preparing the meal ordered by it;s customer in time and has started loosing it;s business. The owner is looking at the possibility

What is the parent class for all swing components? , Design pattern : As y...

Design pattern : As you may look from the diagram given below, containers collect components. Sometimes you want to accumulate a container to another container. So, a container co

Design a bond class, In the lectures, we have written programs for bond pri...

In the lectures, we have written programs for bond pricing in discrete time. We have also talked about the theory for bond pricing and yields in continuous time. In this exercise,

Use javascript create some basic client-side validation, The last exercise ...

The last exercise of each assignment will be continuous from assignment to assignment and will have the goal of building an e-store website by the end of the course. Date & Tim

How can we include images in a web page using html and java, How can we inc...

How can we include images in a web page using HTML and Java script? Image in HTML Image in Javascript Images in JavaScript could be manipulated in several ways using the buil

Write a java code to draw ovals and circles, Write a java code to draw Oval...

Write a java code to draw Ovals and Circles? Java has techniques to draw outlined and filled ovals. As you'd probably guess these methods are called drawOval() and fillOval() c

Mark sheet, Ask develop a project in visual basic for student mark-sheet p...

Ask develop a project in visual basic for student mark-sheet processing. #Minimum 100 words accepted#

Explain multi dimentional arrays in java, Explain multi dimentional arrays ...

Explain multi dimentional arrays in java? So far all these arrays have been one-dimensional. That is, a single number could locate any value in the array. Therefore sometimes d

What is synchronization, What is synchronization and why is it important? ...

What is synchronization and why is it important? With respect to multithreading, synchronization is the potential to control the access of multiple threads to shared resources.

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