Databases

Introduction to Databases and SQL

Understand what databases are, why they matter, and learn the basics of SQL syntax to start querying data.

Querying and Filtering Data

Master advanced query techniques including sorting, limiting results, and using operators to extract exactly the data you need.

Relating Tables with Joins

Learn how to combine data from multiple related tables using JOIN operations to retrieve complete information.

Aggregating and Analyzing Data

Discover how to summarize and analyze data using aggregate functions and GROUP BY clauses to gain insights.

Designing and Writing Efficient Databases

Learn database design principles including normalization, avoiding redundancy, and best practices for creating structured schemas.

Optimizing and Scaling Databases

Explore techniques for improving query performance, creating indexes, and preparing databases for growth at scale.