Connecting to SQL

Connect Node to PostgreSQL, MySQL, or SQLite using specific drivers.

Overview

Connect Node to PostgreSQL, MySQL, or SQLite using specific drivers.

Code Example

import pg from "pg";\nconst pool = new pg.Pool({ connectionString: process.env.DATABASE_URL });\nconst res = await pool.query("SELECT * FROM users");

Web Development Context

In modern web development, understanding Connecting to SQL is crucial. Node.js is widely used for building APIs, real-time applications, and microservices. Mastery of this concept allows you to build efficient, scalable, and secure backend systems.

Common Mistakes

• Blocking the event loop with heavy synchronous tasks.
• Exposing secrets in code instead of environment variables.
• Forgetting to handle promise rejections.

Next Steps

To solidify your understanding, review the related references and try out the practice challenges.