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 Programming, Im not in the line of computer science.But i would like t...

Im not in the line of computer science.But i would like to have some knowledge about the computer language "JAVA".I aldredy learns the computer languages "C,C++".So kindly help me

Need software protection with data files encryption, Need Software protecti...

Need Software protection with data files encryption Project Description: I am use to Chinese dongle sense lock clave 2, i need to prepare to dongle encryption tool same appli

Program to calculates the number of unique shapes, 1. Write the code for th...

1. Write the code for the method that calculates the number of unique shapes for a binary search tree with n nodes. Use the formula  where b n is the number of possible sh

Logical operators, Logical Operators Operator ...

Logical Operators Operator Functionality E x ample/ Explanation     && Looks at 2 expressions & returns a

Control structures, JavaScript supports the normal control structures: ...

JavaScript supports the normal control structures: The conditionals if, if...else, & switch; The iterations for, while, do...while, break, & continue;

How does java allocate heap and stack memory?, Each time an object is start...

Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst

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?

What are the services given by the rmi object, RMI Object services: In...

RMI Object services: In addition to its remote object architecture, RMI gives some basic object services, which may be needed in a distributed application. 1.  Object namin

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