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Back end programming

Back end programming



Back-end programming is the part of programming that deals with the development of the server side of websites and applications. In this case, the main focus is on databases, servers, and application logic


The main components

1. Servers. These are the computers that are responsible for processing and distributing the data of websites or applications. Servers can be physical or virtual.

2. You Databases Databases store and organize the data that your website or application needs. Popular database systems are MySQL, PostgreSQL, MongoDB, etc.

3. API (Application Programming Interface). APIs allow communication between different services and applications. For example, if your application needs to receive data from a third-party service, it can use an API.

Basic technologies
1. Programming languages.
- JavaScript (Node.js). Suitable for fast developing applications.
- Python. Used in Django or Flask frameworks.
- Java. Common for large scale systems.
- PHP: It is considered one of the main languages ​​of web development.
- Ruby. Mainly used in the Ruby on Rails framework.



2. Programming frameworks (Frameworks). - Express.js (for Node.js)
- Django (for Python)
- Spring (for Java)
- Laravel (for PHP)
- Ruby on Rails (for Ruby)

Types of databases

1. Relational databases.
- MySQL. A distributed, open source database.
- PostgreSQL. It has many features and is considered more powerful.
- SQLite. Easy to use, but with limited features.

2. Non-relational databases (NoSQL Databases).
- MongoDB. Uses similar JSON documents.
- Redis. It has the ability to work as a database and memory management system.

How to get started?

1. Choosing a programming language. Choose the language that is more interesting and understandable to you.
2. Study of basic concepts Learn HTTP/HTTPS, CRUD (Create, Read, Update, Delete) operations.
3. Basics of databases. Learn the basics of SQL or NoSQL databases.
4. Using and Creating APIs. Learn how to use APIs and how to create your own.
5. Study of the programming framework. Choose and study the relevant framework in depth.

Back-end programming is critical to the performance and security of your website or app, so it requires a good grasp of technology and an understanding of development processes.