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• nosql db mongo db
• Our backend is stateless

What are databases

Databases are organized collections of data that are structured to enable efficient storage, retrieval, and management of information.

Whenever you create a full stack app , you persist data in databases.

For example -

1. User information
2. TODOs of your todo app
3. Posts for facebook
4. Tweets for twitter …

Types of databases

• Relational Databases: Use tables to store data and relationships between data (e.g., MySQL, PostgreSQL).
• NoSQL Databases: Designed for more flexible data models and often used for big data or real-time web applications (e.g., MongoDB).
• Graph Databases: Store data in nodes and edges to represent relationships (e.g., Neo4j).