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

How to returning multiple values from methods, How to Returning Multiple Va...

How to Returning Multiple Values From Methods ? It is not probable to return more than one value from techniques. You cannot, for example, return the licensePlate, speed and m

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

A java gui application, Design A Word document/ report containing pro...

Design A Word document/ report containing program design documentation, including UML diagrams (Use case, class and sequence) and written descriptions of each class or module

Test phases and cycles? , 1. Unit tests :There are two popular processe...

1. Unit tests :There are two popular processes to testing server-side classes: mock objects, which test classes by checking the server container, and in-container testing, which

Why the number of temporary workers is on the rise, Why the number of tempo...

Why the number of temporary workers is on the rise? Discuss main reasons? Temporary workers: Temporary workers are those workers that a company can hire to perform a certain ta

Instance of a SyntaxTree object is null. I don''t know why.?, I have been w...

I have been working on my compiler''s parser now. And for some reason i cant make my parse tree printer to work. SyntaxTree keeps on showing as null when i invoke the print() metho

Concept of events and events listeners and events handlers, Question: (...

Question: (a) State and explain clearly FIVE new features of Actionscript 3.0 as compared to Actionscript 2.0. (b) Explain clearly the concept of events and events listen

Hotel online booking system, who can helps me with pseudocode with that top...

who can helps me with pseudocode with that topic above mencioned

Whatsapp bulk messenger to unlimited numbers, hi,i need whatsapp panel to s...

hi,i need whatsapp panel to send unlimitd message. skype : maya123.com email :

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