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SQL Refresher Course
Sharpen your SQL skills with our SQL Refresher Course, designed for tech professionals looking to boost their database know-how. Get stuck in to database design, become a master at writing SQL queries, and optimise performance with advanced methods. Learn to handle data properly, explore complex queries, and keep up-to-date with the latest SQL features and best practices. This short, but top-notch course gives you the power to tackle real-world problems, making sure you stay ahead of the game in your field.
- Master database design: Build proper schemas with primary and foreign keys.
- Write advanced queries: Use CTEs, window functions, and nested queries properly.
- Optimise SQL performance: Put indexing in place and have a look at execution plans.
- Handle data effectively: Do bulk operations and manage records.
- Use SQL best practices: Make sure security is tight and use the latest SQL features.

from 4 to 360h flexible workload
certificate recognized by MEC
What will I learn?
Sharpen your SQL skills with our SQL Refresher Course, designed for tech professionals looking to boost their database know-how. Get stuck in to database design, become a master at writing SQL queries, and optimise performance with advanced methods. Learn to handle data properly, explore complex queries, and keep up-to-date with the latest SQL features and best practices. This short, but top-notch course gives you the power to tackle real-world problems, making sure you stay ahead of the game in your field.
Elevify advantages
Develop skills
- Master database design: Build proper schemas with primary and foreign keys.
- Write advanced queries: Use CTEs, window functions, and nested queries properly.
- Optimise SQL performance: Put indexing in place and have a look at execution plans.
- Handle data effectively: Do bulk operations and manage records.
- Use SQL best practices: Make sure security is tight and use the latest SQL features.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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