SQL Refresher Course

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Basic course of 4 hours free

Completion certificate

AI tutor

Practical activities

Online and lifelong course

What will I learn?

Sharpen your SQL skills with our SQL Refresher Course, designed for tech professionals wanting to boost their database knowledge. Get stuck into database design, become a master at writing SQL queries, and optimise performance with advanced techniques. Learn to manipulate data efficiently, explore complex queries, and stay up-to-date with the latest SQL features and best practices. This concise, high-quality course gives you the power to tackle real-world challenges, making sure you're at the cutting edge of your game.

Live mentoring rooms weekly

Count on our team of specialists to help you weekly

Imagine learning something while clearing your doubts with people who already work with it? At Apoia this is possible

Have access to open rooms with various market professionals


Expand your network


Exchange experiences with specialists from other areas and solve your professional challenges.

Learning outcomes

Strengthen the development of the practical skills listed below

Master database design: Create efficient schemas with primary and foreign keys.

Write advanced queries: Use CTEs, window functions, and nested queries.

Optimise SQL performance: Put indexing into practice and analyse execution plans.

Manipulate data effectively: Perform bulk operations and manage records.

Apply SQL best practices: Make sure security is tight and adopt the latest SQL features.