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SERN Stack

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description SERN Stack Overview

The SERN stack is a web development combination of SQL, Express.js, React, and Node.js. SQL represents a relational database layer, while Express.js and Node.js commonly provide the server-side application and API layers, and React supplies the user-interface layer. Unlike the MERN stack, which uses MongoDB, SERN uses a relational database such as PostgreSQL or MySQL and is suited to applications that benefit from structured tables and relationships.

help SERN Stack FAQ

What does SERN stand for in web development?

SERN usually refers to SQL, Express.js, React, and Node.js. It combines a relational database layer with a JavaScript server and React user interface.

How does SQL fit into the SERN stack?

SQL handles structured data in a relational database such as PostgreSQL or MySQL. Express.js and Node.js can expose that data through server-side routes and APIs.

What roles do Express.js and Node.js play in SERN?

Node.js provides the server-side JavaScript runtime, while Express.js is a web framework commonly used to build routes and APIs on top of it. Together they connect the React front end to the SQL database.

What does React do in a SERN application?

React supplies the user-interface layer in the browser. It can request data from a Node and Express API, then render forms, lists, dashboards, and other interactive views.

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