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

I need social mobile application, Project Description: I'm using a php s...

Project Description: I'm using a php script called phpfox on my site its work as social network . So I need is to use this script as CMS for my application. What users wil

Explain java is fully object oriented languages or not, No, java is not ful...

No, java is not fully object oriented language due to it does not support "multiple inheritance" and "pointers" which are used in C++. But, by using Interfaces we can execute multi

Difference between object declaration and object creation, Question: (a...

Question: (a) (i) Describe the purpose of comments when writing programs in Java. (ii) Name the types of comments available and illustrate with simple examples. (b) (i)

Java graphic application, I need to draw cars and trucks and background wit...

I need to draw cars and trucks and background with road and a house with sky. I have to use Vehicle class as a parent class. To draw pictures, i should draw fun things coming up

Make a function in java script and compare with ten, Write JavaScript code ...

Write JavaScript code for the following: Make a function compare With Ten (value) Compare the function argument along with ‘10' and display a message while the value is le

How you returning values from methods in java, How you Returning Values Fro...

How you Returning Values From Methods in java ? It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the ret

Padovan series, write a program in java using array and scanner class to ge...

write a program in java using array and scanner class to generate padovan series

What does it mean that a method or class is abstract, What does it mean tha...

What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract

Create a program using constructors, Create a program Using Constructors? ...

Create a program Using Constructors? The further program uses the constructor to initialize a car rather than setting the areas directly. class CarTest7 { public static voi

Farm production system, Farm Production System Project Description: I...

Farm Production System Project Description: I require software that will allow me to input/record the daily production of our farm and allow me to view the data back in the o

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