1st lesson free
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Thierry
- Rate €21
- Response 1h
€21/h
Contact
1st lesson free
- Python
- Programming languages
- JavaScript
- SQL
- Artificial Intelligence
Data engineer teaches practical SQL for analysts, finance professionals and beginners using real-world business examples
- Python
- Programming languages
- JavaScript
- SQL
- Artificial Intelligence
Lesson location
About Thierry
I am a finance and data professional with extensive experience working with SQL, reporting, business intelligence and data engineering in international organisations.
I use SQL professionally to extract, transform, validate and analyse data from large business systems, including ERP and finance environments. My work regularly involves joins, CTEs, window functions, complex filtering, data quality checks and preparing datasets for reporting and Power BI.
Because my background combines finance, analytics and data engineering, I tend to approach SQL from a practical business perspective rather than as pure computer science. I enjoy breaking complex queries into clear logical steps and helping people understand how SQL fits into real reporting and analysis workflows.
I am patient, analytical and practical in my approach, and I particularly enjoy helping beginners, analysts, finance professionals and career changers build confidence working directly with data.
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About the lesson
- Primary
- Junior Cycle
- Transition Year
- +13
levels :
Primary
Junior Cycle
Transition Year
Fifth Year
Sixth Year
Adult education
Bachelor's degree
Master's degree
Diploma
Doctorate degree
Barrister-at-law degree
Beginner
Intermediate
Advanced
Professional
Kids
- French
- English
- German
- +1
All languages in which the lesson is available :
French
English
German
Dutch
My SQL lessons focus on using SQL to solve real data problems rather than memorising syntax in isolation.
Topics can include SELECT statements, filtering, joins, aggregations, CASE expressions, CTEs, subqueries, window functions, data cleaning, debugging and structuring queries for reporting and analysis.
I teach SQL from an analyst and data engineering perspective, using realistic business datasets and examples. You are also welcome to bring your own query, dataset, university assignment or workplace problem and we can work through it together.
Lessons can be adapted for complete beginners, finance professionals, analysts, career changers or anyone who wants to become more confident working directly with data.
A typical lesson is 60 minutes and focuses on understanding the logic behind the query, so you can apply the same approach independently afterwards.
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Rates
Rate
- €21
Pack prices
- 5h: €105
- 10h: €210
free lessons
The first free lesson with Thierry will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
online
- €21/h
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