Intermediate SQL Course
Elevate your data expertise through the Intermediate SQL Mastery Course. Hone real-world queries, joins, window functions, date analytics, and indexing to drive dashboards, streamline reports, and enable swift data-informed choices in dynamic tech environments. Gain proficiency in building complex reports that deliver actionable insights for team success.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course advances your SQL skills past simple queries to crafting efficient, dependable code for practical reporting. Master advanced SELECT with precise filters, joins, subqueries, aggregations, grouping, and window functions for insightful metrics. Handle date calculations, design effective schemas, format SQL professionally, and optimise performance using indexing and execution plans.
Elevify advantages
Develop skills
- Advanced SELECT and filtering for precise, rapid queries.
- Aggregations and window functions to create detailed user and course metrics.
- Joins and subqueries to merge tables for dependable reports.
- Date and time analytics for durations, cohorts, and trends.
- Indexing and EXPLAIN to optimise queries for peak performance.
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
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.

André FelipePrompt Engineering Student
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