REST stands for Representational State Transfer which was introduced by Roy Fielding in 2000.It is an architectural style of client/ server networked hypermedia applications.The web services based on REST architecture are known as RESTful web services.These services are build to work best on the web and it specifies contains such as uniform interface.

Data and functionalities are considered resources and accessed using URIs. REST uses various representation to represent a resource like text,JSON and XML.And it designed to use stateless communication protocol like HTTP.Some of the most commonly used methods can be taken as PUT,DELETE,POST,OPTIONS. Not only its sate-less but also some e of the key features are its simple than SOAP ,the errors or mistakes can be known while working ,lightweight ,maintainable and scalable.

Some of the principles to encourage REST to be simple and lightweight because of the self-descriptive messages ,stateful interactions through hyperlinks, recourse identification through URI.

Advantages of REST

REST advantages over SOAP

Maven was created by Jason Van Zyl in 2002 which  is a software project management and comprehension tool which based on the concept of a project object model(POM) which is a XML file including the details of software project,configuration details. Maven can manage projects in other programming language like c# and Ruby .In Yaddish, Maven means “accumulator of knowledge.”It helps manage builds reporting, documentation from a central piece of information. Mavens all the work is depend on plugins such as plug-ins for building, testing, SCM, running a Web server etc.The objectives of the maven is to making the build process easy, providing quality project information, providing a uniform build system as well as giving  guidelines for best practices development.

What are the features of the Maven?

Commands of Maven

test.         : Runs all the tests for the project.

clean.      : Delete all the old build files

package  : packages the project to a jar.

install.      : Places the project in the local maven repository.

deploy.      :  Places the project in the remote maven repository

NoSQL is an approach of database management system that do not follow all the rules of a relational DBMS which do not rely on the structures like tables, columns ,rows and use more flexible data models.Its stands for “not only SQL” or “No SQL”.

No SQL based systems are typically used in very large databases and to store unstructured data such as user and session data, chat, messaging etc. Some of the notable implementations of NoSQL are facebook’s Cassandra DB ,Google’s BigTable and Amazon’s SimpleDB.

Types of NoSQL databases

Benefits of NoSQL