Read about Databases

SQL vs NoSQL: Choosing the Right Database (and Learning Paths for MySQL, SQL Server, PostgreSQL, Oracle, and MongoDB)

Understand SQL vs NoSQL, compare databases, and learn how to choose the right solution for scalability, consistency, and performance.

Database Transactions Explained: ACID, Isolation Levels, and Concurrency Control Across SQL and NoSQL

Learn database transactions, ACID, isolation levels, locks, MVCC, and concurrency control across SQL and NoSQL systems.

Database Schema Design for Real Projects: From Requirements to Reliable Models

Practical guide to database schema design: requirements, keys, relationships, constraints, migrations, and reliable models for real projects.

Database Normalization, Denormalization, and When to Break the Rules

Learn database normalization and denormalization with practical rules for designing cleaner schemas, avoiding anomalies, and improving performance.

Database Indexing for Backend Developers: Make Queries Fast Without Guesswork

Learn practical database indexing for backend developers to speed up queries, improve joins, optimize pagination, and reduce API latency.

AI in the Real World: Building Reliable Systems from Data to Decisions

Learn how real-world AI systems go from data to decisions with reliable modeling, deployment, monitoring, and responsible AI practices.

An Introduction to PostgreSQL: Powerful Open Source Relational Database

Discover PostgreSQL, a powerful open-source relational database. Learn its features, benefits, and why it’s ideal for modern applications and scalable systems.

Exploring PostgreSQL Extensions: Unlocking Advanced Database Functionality

Unlock PostgreSQL’s full potential with extensions. Learn how to add features, improve performance, and customize your database for advanced use cases.

Mastering PostgreSQL Indexing: Boosting Database Performance

Boost PostgreSQL performance with indexing. Learn types, advanced techniques, and best practices for efficient queries and database optimization.

Understanding PostgreSQL Security: Best Practices for Protecting Your Data

Learn PostgreSQL security best practices to protect your database, including authentication, encryption, auditing, and patch management strategies.