SQL Refresher Course

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Content always updated in your course.

Basic course of 4 hours free

Completion certificate

AI tutor

Practical activities

Online and lifelong course

What will I learn?

Level up your SQL skills with our SQL Sharpener Course, specially made for tech professionals wey wan boost their database power. Enter inside database design, become master for SQL query writing, and make performance correct with correct techniques. Learn how to handle data sharp sharp, dig into serious queries, and dey up-to-date with the latest SQL things and how e dey go. This course dey straight to the point and top quality, e go give you power to handle real life palava, so you go dey on top of your game.

Live mentoring sessions weekly

Count on our team of specialists for weekly support

Imagine learning something while clearing your doubts with professionals already working in the field? At Apoia, this is possible

Access open sessions with various industry professionals


Expand your network


Exchange experiences with specialists from different fields and solve your professional challenges.

Learning outcomes

Enhance the development of the practical skills listed below

Master database design: Create correct schemas with primary and foreign keys wey sabi work.

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

Optimize SQL performance: Put indexing and check execution plans well well.

Manipulate data effectively: Do bulk operations and manage records like oga.

Apply SQL best practices: Make sure security tight and use the latest SQL things.