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

Elaborate with examples vector or object oriented graphics, Elaborate with ...

Elaborate with examples Vector or Object oriented graphics? Vector or Object-Oriented Graphics treats everything which is drawn as an object. Objects retain their identity afte

Applet, how to quit from unlimitedly executing applet

how to quit from unlimitedly executing applet

Write code in javascript to display the odd numbers, Write code in JavaScri...

Write code in JavaScript to display the odd numbers among 20 to 100 using FOR statement? Note: No required to write whole HTML program. Just JavaScript code of require elemen

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

Gps and gprs fleet management system, GPS and GPRS fleet management system ...

GPS and GPRS fleet management system Project Description: I want to develop fleet management system Skills required: HTML, PHP, Java, Website Design

What is the problem along with relational database, What is the problem alo...

What is the problem along with Relational Database and what solution you could suggest for it? When we store object orientated data within RDBMS it required to translate in to

I want five page website design, I want five page website design Project...

I want five page website design Project Description: Five page website CMS Front end design Skills required are Graphic Design, Java, HTML, PHP, Website Design

A talent agency program , class Writer extends Client {    // additional m...

class Writer extends Client {    // additional members    private boolean technical = false;    private boolean government = false;    private boolean international = false;    pri

Difference between bean factory and application context, On the surface, an...

On the surface, an application context is similar as a bean factory. But application context offers much more.. ? Application contexts give a means for resolving text messages,

What does the keyword "synchronize" mean in java, What does the keyword " s...

What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?

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