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?

Boost your SQL skills with our SQL Refresher Course, tailored for tech professionals looking to sharpen their database expertise. Delve into database design, become a dab hand at SQL query writing, and optimise performance using advanced techniques. Learn to manipulate data efficiently, explore intricate queries, and keep up-to-date with the latest SQL features and best practices. This concise, high-quality course will empower you to tackle real-world challenges, ensuring you stay ahead of the game.

Live mentoring rooms weekly

Rely 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: Craft efficient schemas with primary and foreign keys.

Write advanced queries: Make use of CTEs, window functions, and nested queries.

Optimise SQL performance: Implement indexing and analyse execution plans.

Manipulate data effectively: Carry out bulk operations and manage records.

Apply SQL best practices: Guarantee security and adopt the latest SQL features.