MERN Stack Course in Pondicherry

This course enriches participants’ skill sets through comprehensive instruction in the core technologies MongoDB, Express, React, and Node.js, collectively known as the MERN stack, which is entirely built on JavaScript.

What do you learn in the MERN Stack Course in Pondicherry at FITA Academy?

MERN Stack

MERN represents a suite of technologies that facilitates swift application development, widely embraced by developers across the globe. The primary objective of the MERN stack is to empower developers in crafting applications using JavaScript.

MongoDB

MongoDB is a NoSQL database management system that stores data in document format with key-value pairs resembling JSON objects. MongoDB empowers users to establish databases, schemas, and tables, providing the Mongo shell—a JavaScript interface for managing, querying, and updating records. Learn the MERN Stack Course in Pondicherry at FITA Academy to use JavaScript to excel in all Four Technologies.

NoSQL in MongoDB

MongoDB stands as an open-source, non-relational database management system. Non-relational databases, often called NoSQL (Not Only SQL), offer an alternative approach to traditional relational databases. They prove particularly valuable when handling extensive sets of distributed data. MongoDB is a versatile tool for managing document-based information, allowing data storage and retrieval.

MongoDB is pivotal in high-volume data storage, enabling organizations to store vast data while maintaining high-performance capabilities efficiently. Organizations leverage MongoDB for its versatile functionalities, including ad-hoc querying, indexing, load balancing, aggregation, execution of server-side JavaScript, and a host of other features.

Data Modeling in MongoDB

MongoDB presents a malleable data schema, diverging from the SQL database paradigm, where you must predefine a table’s schema before data insertion. MongoDB collections have no rigid requirements to adhere to a specific document structure.

MongoDB Query and Projection Operator

The MongoDB query operator includes comparison, logical, element, evaluation, Geospatial, array, bitwise, and comment operators. FITA Academy’s MERN Stack Training in Pondicherry allows the students to gain comprehensive knowledge of all the operations carried out in MERN Stack.

Reasons for using MongoDB

• Replication: MongoDB offers replication through replica sets, which consist of multiple MongoDB instances to ensure high availability. The primary server handles read and write operations, while secondary replicas maintain data copies for failover support.
• Scalability: MongoDB supports vertical scaling (increasing the power of an existing machine) and horizontal scaling (adding more machines to expand resources).
• Load Balancing: MongoDB handles load balancing without requiring a dedicated load balancer, achieved through vertical or horizontal scaling.
• Schema-flexibility: MongoDB is schema-less, allowing it to manage data without predefined structures.
• Document-based: Data in MongoDB is stored as documents with key-value pairs, offering greater flexibility than traditional SQL databases.

ExpressJS

ExpressJS serves as a Node.js framework, streamlining the creation of back-end code and eliminating the need for developing numerous Node modules. It offers a variety of middleware options to maintain code conciseness. FITA Academy’s MERN Stack Course in Pondicherry instructors provide valuable insights into Middleware and its functioning.

How does Middleware work with Express js?

Express.js is a framework for managing webpage routing and Middleware, operating within the request and response cycle. Middleware is activated after the server receives a request and before the controller actions generate a response. Middleware accesses the request and response objects and the “next” function, enabling it to handle request processing before the server dispatches a reaction. An application built on Express comprises a sequence of middleware function invocations.

What is a Single Page Application (SPA)?

A Single Page Application (SPA) is a web application engineered to appear as a singular, unchanging page. This design philosophy enhances user-friendliness and navigation by allowing users to view the entire application’s content on a single page.

SPA-based applications concentrate on one task simultaneously, facilitating a more coherent and consistent user experience. Users can progress through each step seamlessly without frequent page transitions.

Single Page Application vs Multi Page Application

A single-page application is characterized by its use of a solitary web page that leverages JavaScript to fetch both markup and data independently, subsequently rendering pages directly within the user’s browser. SPAs are designed to load and function within a single HTML page without needing multiple reloads. They excel in scenarios where tasks such as downloading files or rendering images would be time-consuming on traditional web pages. Typically, SPAs comprise HTML and JavaScript, often supplemented by server-side languages like PHP to process data and provide results.

Multiple Page Applications (MPAs) involve users navigating through multiple distinct web pages, and each page typically necessitates reloading. This approach may offer users different clarity than SPAs, as they must load and switch between various pages. Enrolling in FITA Academy’s MERN Stack Training in Pondicherry enables students to develop proficiency in MERN Stack Technologies by utilizing JavaScript.

Advantages of Single Page Applications (SPAs)

Single Page Applications offer several compelling advantages compared to traditional web applications, including:

• Simplicity: SPAs are simpler to develop and maintain as they require creating only one HTML file, eliminating the need for server-side modifications.
• Reusability: Developers can reuse JavaScript, CSS, and HTML code across multiple pages, and tools are available for packaging these components into reusable modules.
• Security: SPAs provide enhanced security options, as they can be protected by firewalls or require user login credentials, bolstering the protection of web pages.

Reasons for using Express JS 

• Fast Server-Side Development: Express accelerates server-side development, saving significant time.
• Middleware: Middleware functions are request handlers with access to the request-response cycle, enhancing application functionality.
• Routing: Express facilitates URL endpoint handling in response to client requests.
• Templating: It provides templating engines for dynamic content generation on web pages.
• Debugging: Express simplifies debugging by pinpointing error locations.

ReactJS

ReactJS is a JavaScript library tailored to craft UI for mobile and single-page applications (SPAs). It allows developers to write JavaScript code and construct UI components, leveraging a virtual DOM for optimal performance.

React JS – Flux and Redux

Flux is an architectural pattern that separates the responsibility for reading and modifying data. It comprises components like Store, Action, View, and Dispatcher to manage data flow.

Inspired by Flux, Redux simplifies the Flux pattern by introducing Reducers and a centralized store. Actions are dispatched to Reducers, which update the store, leading to view updates. Joining FITA Academy’s MERN Stack Classes in Pondicherry empowers students to cultivate expertise in MERN Stack Technologies by harnessing the power of JavaScript.

Reasons for using React JS

• JSX (JavaScript Syntax Extension)
• Virtual DOM
• Unidirectional data binding
• High performance
• Extensibility
• Conditional expressions
• Component-based architecture
• Simplicity

NodeJS

NodeJS is an open-source JavaScript runtime environment enabling the execution of server-side code. It incorporates the node package manager (npm), which grants access to a wide selection of node modules and packages. NodeJS, developed on the Chrome JavaScript Engine ensures efficient code execution.

Client-side scripting

Web browsers execute client-side scripting, which involves running code transferred from a web server to the user’s computer over the internet. This code operates directly within browsers and is employed for tasks such as validations and handling user events. Client-side scripting enhances interactivity by executing multiple actions without requiring server interaction. However, it typically cannot connect to databases on a web server or access the browser’s file system. It enables page alterations based on user choices and can create cookies to store data on the user’s computer.

Server-side scripting

Web servers handle server-side scripting, primarily used for generating dynamic web pages. Server-side scripting can access the file system residing on the web server and operates within a server-side environment running a scripting language. It supports various scripting languages and retrieves and generates content for dynamic pages. Server-side scripting often requires the download of plugins and generally offers faster load times compared to client-side scripting.

Reasons for using Node JS 

• Asynchronous and Event-driven: The non-blocking feature handles multiple API requests concurrently, which enhances efficiency.
• Single-threaded Architecture: Node.js follows a single-threaded, event-looping architecture and promotes scalability.
• Quick Execution: It uses the V8 JavaScript runtime engine, making code execution fast.
• Cross-platform Compatibility: It is adaptable to various operating systems, which allows cross-platform development.
• Fast Data Streaming: Processes data streams quickly to optimize the performance.
• No Buffering: Node.js applications do not buffer data.

These technologies comprise the foundation of the MERN (MongoDB, Express, React, Node) Stack. To excel as a skilled MERN Stack developer, individuals must cultivate expertise in testing, both front-end and back-end development and possess a comprehensive understanding of JavaScript. Additionally, familiarity with tools such as JQuery, PHP, Symfony, and MySQL is crucial. Enrolling in FITA Academy’s MERN Stack Certification program can be instrumental in gaining the essential knowledge required to master this framework.