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

Calculates whether a plane successfully lands or not, Write a program calle...

Write a program called LandThePlane that calculates whether a plane successfully lands or not.   The program begins by prompting (asking) the user for the following details, in th

Luminus jewels, Luminous Jewels - The Polishing Game Byteland county is ve...

Luminous Jewels - The Polishing Game Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various lum

In javascript what is event handling and inline event, In JavaScript, what ...

In JavaScript, what is event handling? What are the two categories of events? In java script we could capture events on do a few operation on the basis of which particular even

Jumps in loops, explain jumps in loops and explain labelled loops

explain jumps in loops and explain labelled loops

How many kinds of errors can be found during a program, How many kinds of e...

How many kinds of errors can be found during a program development? List them. 1. Syntax errors 2. Semantic errors 3. Run-time errors

What are the various struts tag libraries, The Struts tag libraries are: ...

The Struts tag libraries are: ? HTML Tags ? Logic Tags ? Template Tags ? Bean Tags ? Tiles Tags ? Nested Tags

Program, a program that groups items according to their number

a program that groups items according to their number

Who can an applet talk to, Who Can an Applet Talk To? By default an app...

Who Can an Applet Talk To? By default an applet can just open network connections to the system from that the applet was downloaded. This system is known as the codebase. An ap

What is the purpose to use the enableevents method, What is the purpose to ...

What is the purpose to use the enableEvents() method?

Illustrate jdbc, JDBC stands for Java Database Connectivity: It is an ...

JDBC stands for Java Database Connectivity: It is an API which gives easy connection to a wide range of databases. To connect to a database we have to load the appropriate dri

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