What You Need to Know about Back-End Technologies [Dev Concepts #23]

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In this article, we will get familiar with Back-End technologies.

In this lesson, we take a look at Back-End technologies in software development. That is a technical term that deals with server-side operations, including CRUD functions with database and server logic. Meanwhile, Front-End development is programming which focuses on the visual elements of a website or app that a user will interact with.iceberg-front-back-end

Back-End technologies are essential in the development of software projects. Whether you are a startup founder, or a corporate decision-maker, selecting the right Back-End technology is crucial to determine your project success. Choosing the correct Back-End technologies can guarantee scalability, functioning speed, and instant response to customers’ needs.

In our video, we explain foundation concepts that aspiring developers shouldn’t miss. Keep up with the videos, and you will learn about:

  • Databases: They are a place for storing our data but in an organized structure.  Data is organized and stored in the form of tables. A table contains rows and columns. Each row in a table is a record, and column a field that describes the row.  Read our article about them here.
  • ORM: This is short of Object Relational Mapping. It is the idea of writing queries using your favorite programming language. You interact with a database using your language of choice instead of SQL. Read our article about them here.

mvc-logo

  • MVC: The term stands for ModelViewController. It is a design pattern used to help us build frameworks for applications. The MVC splits the application into three different sections. Each section represents one word from the abbreviature. Each component has a specific responsibility and has a link to the others. Read our article about them here.
  • Web Services and APIsWeb Service is a network-based resource that fulfills a specific task. On the other hand, API is an interface that allows you to build on the data and functionality of another application. There is an overlap between the two. WEB services are APIs, but APIs can be offline. Many public APIs are transparent, with open documentation and self-service portals for quick developer onboarding. On the other hand, Web Services are not open source. Instead, they tend to offer specific data and functionality to partners.

web-vs-api

  • REST and RESTful Services: REST is a set of architectural constraints, not a protocol or a standard. API developers can implement REST in a variety of ways. When a client request is made via a RESTful API, it transfers a representation of the state of the resource to the requester or endpoint. This information, or representation, is delivered in one of several formats via HTTPRestful Web Services is a lightweight, maintainable, and scalable service built on the REST architecture. It also exposes API from your application in a stateless manner to the calling client. The calling client can perform predefined operations using the Restful service.rest-diagram
  • Virtualization, Containers, and Docker: Virtualization is a relatively new technology that allows creating a completely isolated machine from scratch, all in software. Nowadays, companies are starting to prefer Docker. It s a tool that uses containers to make the creation, deployment, and running of applications a lot easier. Read our article about them here.docker-image-vm

Hopefully, reading all this about Back-end technologies will help you in making the right decision. No matter what language you are using, all of those concepts are the same. For every aspiring programmer, it’s a must to know all of the topics. If you want to learn more about the differences between Front-End, Back-End, and Full-Stack technologies you can read our article here.

If you are new to programming, make sure to watch our Free Full Java Basics course! It will give you the necessary foundation to build upon and become a successful software engineer!

Lesson Topics

In this tutorial we cover the following topics:
  • Front-End and Back-End
  • Databases
  • ORM
  • MVC
  • ORM
  • Web Services and APIs
  • Rest and RESTful Services
  • Virtualization, Containers, and Docker

 

Remember that coding is a skill, which should be practiced. To learn to code, you should write code every day for a long time. Watching tutorials is not enough. You should code! 

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