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

Java identifiers, 1. Which of the following are not valid Java identifiers,...

1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla

What is documentation for the class library, What is Documentation for the ...

What is Documentation for the class library Sun gives a large amount of documentation for the classes, interface's and exceptions in the class library. If you've installed the

Program will compile but wont run , Im receiving an error message of Except...

Im receiving an error message of Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 5 at Homework.main(Homework.java:51)

Illustrate normalization? , Normalization is a design technique that is m...

Normalization is a design technique that is mostly used as a guide in designing relational databases. Normalization is necessary a two step process that gives data into tabular f

What is bullseye explain with an example, What is Bullseye explain with an ...

What is Bullseye explain with an example? This is a easy applet that draws a series of filled, concentric circles alternating red and white, instead a bullseye. import java.ap

Spring framework, Spring framework The Spring framework is the leading...

Spring framework The Spring framework is the leading full-stack J2EE /JAVA application framework. Not like other applications, Spring does not expose itself on the design of a

Elaborate vector or object oriented graphics, Elaborate Vector or Object or...

Elaborate Vector or Object oriented graphics along with at least one example. Object Oriented Graphics are the graphics that are commonly oriented towards the objects and have

Javascript to calculate the cost of each book, Write JavaScript code that i...

Write JavaScript code that is executed during form submission to calculate the cost of each book (based on quantity specified) and the overall total cost. The results should be dis

Application with two user transactions-java, 1.) Write an application with ...

1.) Write an application with two user transactions (login which includes viewAllStudents and viewStudent ) with full MVC architecture that displays the details of the selected

Design and implement online food delivery system, You are required to desig...

You are required to design & implement online food delivery system using Java RMI technology. This involves writing both the server and the client program(s). Client programs can u

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