1. Introduction to Databases
Databases are essential for any web application to store, retrieve, and manage data efficiently.
2. MongoDB vs PostgreSQL: Key Differences
Choose MongoDB for flexibility and PostgreSQL for structured and relational data.
3. Setting Up MongoDB
3.1 Install MongoDB Locally
3.2 Set Up MongoDB Connection URL
4. Connecting MongoDB to Express.js
4.1 Install MongoDB Dependencies
4.2 Create Database Configuration File
5. Setting Up PostgreSQL
5.1 Install PostgreSQL Locally
5.2 Set Up PostgreSQL Connection URL
6. Connecting PostgreSQL to Express.js
6.1 Install PostgreSQL Dependencies
6.2 Create Database Configuration File
7. Best Practices
Use environment variables for sensitive data, validate data before saving, and properly handle database connection errors.
8. Environment Variables for Database Configuration
9. Conclusion
Choose the database based on your project requirements.
