mario guity
5.0
Reviewed Aug 3, 2025Excelente curso
SQL Problem Solving
SQL for Problem Solving is designed for learners who already understand the basics of SQL and are ready to apply their skills to real-world data problems. In this hands-on course, you’ll move beyond textbook queries to tackle the challenges data analysts face every day. From diagnosing data quality issues to building rolling metrics and interpreting event data, this course gives you the toolkit to write powerful, efficient SQL queries across different dialects and complex datasets. You’ll learn: - Problem-solving strategies used by data professionals - Techniques for debugging, improving data quality, and building complex queries - How to work with modern data environments, from event logs to denormalized schemas - How to communicate business-relevant insights through SQL-based analysis Whether you're preparing for a data job interview, building dashboards for stakeholders, or leveling up your data chops, this course empowers you with the skills to make SQL your go-to tool for data analysis and problem-solving.
Status: Data Visualization
Status: Business Reporting
IntermediateCourse10 hours
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MIAN SHAKAR AFZAL
5.0
Reviewed Oct 20, 2025GREAT EFFORT
panos frimas
5.0
Reviewed Feb 22, 2026Nice job!
S Roshan Kumar
4.0
Reviewed Jul 2, 2025The videos could be edited better.
Nanzhi Zhu
3.0
Reviewed Mar 2, 2026hopefully there could be more exercises instead of only seeing the teacher coding online.
Daniel Shahanski
1.0
Reviewed Apr 9, 2026I’m very disappointed with this SQL course and honestly regret taking it. The overall structure felt rushed and poorly organised. Many of the videos were extremely short—sometimes just one or two minutes—and often lacked clear explanations of what was actually happening. There were no additional materials to support the learning process—no readings, no substantial exercises. Everything felt overly simplified and “dumbed down,” which made it unhelpful for anyone with even a bit of prior experience. At the same time, the lack of clarity and structure would make it confusing for complete beginners as well. Another major issue was the delivery. The lecturer was quite difficult to follow—there were frequent long pauses, moments of uncertainty in explanations, and an overall impression that the material wasn’t well prepared before recording. This made it hard to stay engaged and focused throughout the course.