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

Explain bean lifecycle in spring framework, 1. The spring container searche...

1. The spring container searches the bean's definition from the XML file and instantiates the bean. 2. Using the dependency injection, spring populates all of the properties as

What is action class, The Action Class is type of the Model and is a wrappe...

The Action Class is type of the Model and is a wrapper around the business logic. The purpose of Action Class is to change the HttpServletRequest to the business logic. To use the

Android app implemented on a website, iPhone /Android app implemented on a ...

iPhone /Android app implemented on a website Project Description: I need someone to implement an iPhone/Android app onto a website page, So users can be able to use the Ap

What is object oriented programming language, What is object oriented progr...

What is object oriented programming language? In classic, procedural programming you try to form the real world problem you're attempting to solve fit a few, predetermined data

How can we define a pixel, How can we define a Pixel? It is the smallest ...

How can we define a Pixel? It is the smallest number of element of image that is spread along with regular array on display and each constituent consist of particular color.

Create an android application., We need to create an Android application. T...

We need to create an Android application. The application is about registering courses in a university, viewing grades, available courses and evaluating faculty members. Advisor

Describe what is meant by a constructor in java, Question: (a) Describe...

Question: (a) Describe what is meant by a ‘constructor' in Java. Use a simple example to illustrate your answer. (b) Differentiate between a class method and an instance me

Opps Concepts, 300 words on oops and 1 program for each concepts

300 words on oops and 1 program for each concepts

Describe features of spring, Here are some features of spring:- ? Lightw...

Here are some features of spring:- ? Lightweight: spring is lightweight when it comes to size and transparency. The essential version of spring framework is around 1MB. And t

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