8 docs tagged with "databases"

Learn how to choose between Relational and Non-Relational databases and how to design for scale.

Learn the basics of data persistence and the difference between SQL and NoSQL databases.

Learn what Redis is, why it's so fast, and how it's used for caching and real-time data.

Learn how to speed up your database queries using indexes and understand when to use them.

Learn how to connect different tables using Primary Keys, Foreign Keys, and Joins.

Learn the principles of vertical and horizontal scaling and how to prepare your application for millions of users.

Step-by-step guide to installing PostgreSQL locally and using pgAdmin for database management.

Learn how to install Redis and connect it to your Express server using the official Redis client.