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Technology, Server Side Business Logic Coding

Back End Logic or Server-side

A server is where the application code is resides. Requests are made to the server from clients, and the server will collect the correct information and reply to requests.

Back-end works behind the scenes, server forms the engine that drives the application and implements business logic.

The back end is responsible for storing and organising data, and make sure everything on the client-side actually works.

The back end interacts with the front-end, send and receive information to be displayed as a web page on a browser.

All back end technology stacks include :

Operating system - a platform to development and testing is done

Web server process requests from the browser and return the corresponding content

Database stores and manages application data

Programming language is the language used for developing the applications.

Web development framework for rapid development. The web framework and libraries directly depends on the choice of the development platform and systems.

Web Server - handle requests from clients and gets the relevant information from server . Example servers - apache and n-ginx

Protocols : Protocols are communication and exchange information back and forth between computers and devices. Ex HTTP.

API : API is an application programming interface. Allow developers to use some of the functionality code without knowing internal implementation code details.

Data formats

Data formats are the ways the data structure is represented and stored.

JSON - most popular data exchange format , JSON java script object notation.

XML - data exchange format used in the earlier, require extra processing to present information on the web.

CSV – Comma separated values. Excel data is typically formatted this way.

Databases : Databases stores are application data. Databases mainly of two types : SQL and NoSQL.

SQL provides more structure an ensure all the data is correct & validated. Whereas NoSQL manage structured & unstructured data and provides flexibility.

MongoDB - is an open-sourced NoSQL

Redis : manage key-value store helps in retrieving data

PostgreSQL - popular open-sourced SQL database.

MySQL - another popular and widely used open-sourced SQL database.

Oracle - enterprise RDBMS, provide efficient storage and retrieval of data , uses SQL.

SQL Server - is an SQL server manager created by Microsoft.

Application Servers: An application server is a program which manages complex transactions within applications. It executes all application operations between end users and back end business services of enterprise applications.

Collaboration Services: Collaboration Services establish connectivity between client side and server developers or among development team. Platforms like Slack, Asana, Jira, and Trello help teams to work and collaboration among team members , application and projects.

Website Performance and speed Testers :: are used to manage speed and performance of the enterprise applications

Other things to keep in development and production environments are Non-functional Requirements, Network Dependency, Content Delivery Network (CDN) and security.

Micro service Platforms: Micro services - is an architectural style that structures an application as a collection of services that are Highly maintainable and testable, Loosely coupled, Independently deployable & Organized around business capabilities Owned by a small team. The micro service architecture helps in trapid, frequent and reliable delivery of large, complex applications.

Docker - is an open source platform that provide developers and testers rapidly and also helps in packaging, distribution, and deployment, building and managing containerized applications.

Kubernetes : an open source container cluster manager that provide a “platform for automating deployment, scaling, and operations of application containers and clusters of hosts.

Programming Languages:

Python – Popular programming language for data analytics and big data analysis.

Java - Most popular Cross platform programming language used for building enterprise mobile and web applications.

PHP - Widely used web development programming language specially in small and medium applications and website development.

c# - programrming language for .net applications developed by microsoft.

SQL - SQL (Structured Query Language) for fast storage and retrieval data from RDBMS database servers.

Javascript – Most widely used client side programming used by all web browsers and also server side by nodejs.

Node.js- written in JavaScript. Node js used for back end service development and programming.

Scala : Scala is a modern programming language. It uses combination object-oriented and functional programming and highly scalable.

Ruby: Scalable, simple and super fast, language to build full web applications.

Django is one of the most popular frameworks written in Python and follows the MVC architecture

Laravel is a PHP development framework dynamicwebsites developed.

Ruby on rails :This is one of the most popular web frameworks written using the Ruby.

Flask: Lightweight Python web application development framework

Node.js: Nodejs uses JavaScript to build back-end application services and real-time applications such as chats or games.

Pick the right web technology stack

With variety of web development tools, platforms, and stacks, we need to select technology stack., analyze project requirements. Use best stack as depending on the nature of business non-functional requirements, Project type and size like small , mid-size and large , Time to market, Scalability, Cost of development, Total Cost of Ownership (TCO). Scalabilty, performance. Also analyze Out-of-the-box solutions, Integration with third-party solutions, Documentation and developer community etc

Back-End Developer The back end of a website or application consists of a server, an application, and a database. A back end developer develop, builds and maintain the technology that boost those components and together enable the user-facing side of the website.

Technology, Server Side Business Logic Coding and Development Training

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