Below are some popular languages used to build the back end of web applications:
JavaScript/Node.js: JavaScript adds interactivity to websites, while Node.js allows JavaScript to run on the server for building fast and scalable back-end applications.
PHP: PHP is a server-side scripting language mainly used for web development and dynamic websites.
Python: Python is a simple and powerful programming language used for web development, automation, AI, and more.
Ruby: Ruby is an object-oriented language known for its clean and readable syntax.
Java: A widely used, scalable programming language popular for enterprise and web applications.
Golang (Go): Golang is a fast, statically typed programming language developed for efficient and scalable applications.
C#: C# is a modern object-oriented language commonly used for web and desktop applications on Microsoft platforms.
Databases
A database stores and manages website data such as user information, products, and transactions. It is a backend component used to organize, access, and secure data efficiently.
Types of Databases
1. SQL/Relational Database
Relational databases store data in tables with rows and columns and use SQL for data management.
MySQL: MySQL is an open-source relational database known for reliability and performance.
PostgreSQL: PostgreSQL is an advanced relational database supporting complex queries and high reliability.
2. NoSQL Databases
NoSQL databases store data in flexible formats like documents or key-value pairs, making them suitable for large and unstructured data.
MongoDB: MongoDB is a document-based NoSQL database that stores data in JSON-like format.
Cassandra: Cassandra is a scalable NoSQL database designed for handling large amounts of data.
Redis: Redis is an in-memory NoSQL database used for caching and real-time applications.
Note: We use Database management systems help keep the data safe, organized, and easy to use.
APIs and Data Exchange Formats
During website development, different components like the frontend, backend, and third-party services communicate using APIs and standardized data formats to exchange information efficiently.
Frontend requests data from the backend server.
Applications fetch information from third-party services (e.g., weather or payment APIs).
Communication is handled through APIs.
Data is exchanged in standardized formats for consistency.
Data Exchange format for API Communication:
When applications communicate via APIs, they need a common, structured way to represent the data being exchanged. This is where data formats come in.
Below are two common data formats used extensively in web development for API communication:
JSON: JSON or JavaScript Object Notation is a format for structuring data.
XML: Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.
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