1st lesson free
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Ns
- Rate €5
- Response 1h
€5/h
Contact
1st lesson free
- SQL
I am a finance and analytics professional with 20+ years of experience in accounts payable and business operations, now specialized in SQL for data analysis. I help learners from non-technical backgro
- SQL
Lesson location
About Ns
I am a finance and analytics professional with 20+ years of experience in accounts payable and business operations, now specialized in SQL for data analysis. I help learners from non-technical backgrounds (finance, operations, business, students) understand SQL in a simple, practical way. My teaching style avoids heavy jargon and focuses on real datasets and workflows so you can apply SQL directly in your job or studies.
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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
Other
Beginner
Intermediate
Advanced
Professional
Kids
- English
All languages in which the lesson is available :
English
Subjects I Teach:
SQL Basics: SELECT, WHERE, ORDER BY
Filtering & Sorting Data
Joins explained with business examples (vendor invoices, payments, sales orders)
Aggregations: SUM, COUNT, AVG for reporting
Subqueries & Common Table Expressions (CTEs) made simple
Data cleaning with SQL (handling NULLs, duplicates)
Connecting SQL outputs to Excel & Power BI
Teaching Method:
Step-by-step explanations with real business scenarios
Hands-on practice using finance and sales datasets
Cheat sheets and query templates for quick reference
Assignments like “Analyze monthly expenses” or “Find top customers”
Patient guidance for learners new to coding
Outcomes for Students:
Confidence in writing SQL queries without prior tech experience
Ability to extract and analyze data independently
Understanding how SQL fits into Excel and Power BI workflows
Readiness to use SQL in finance, operations, or analytics roles
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Rates
Rate
- €5
Pack prices
- 5h: €25
- 10h: €50
free lessons
The first free lesson with Ns will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
online
- €5/h
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