Learn the Tools that Power the World’s DataExcel • SQL • TableauPower BI • Python • R
Ready to master the tools top companies use to make data-driven decisions? Join Dahel Technologies’ Private Sessions — designed for individuals and professionals who want hands-on, career-ready skills in the most in-demand tech courses today.
Each course is intensive, interactive, and tailored to your learning pace — helping you move from beginner to confident practitioner in weeks!
Fee per Course
Intensive, personalized private instruction. Select your preferred currency below.
Microsoft Excel
Learn how to transform raw data into powerful insights!
SQL
Query. Retrieve. Analyze. The foundational backbone of data analysis and database management.
Tableau
Bring your data to life with stunning visuals and interactive dashboards.
Power BI
Microsoft’s flagship tool for powerful business intelligence and visualization.
Python
The world’s most popular programming language for data analysis and AI.
AI Engineering
Learn the practical roadmap to becoming an AI Engineer and understand modern autonomous tools, agents, and automations.
R
Perfect for researchers, analysts, and statisticians who love precision.
Want to enroll for more than 3 courses?
You may be qualified for a discount! Speak with our program advisors to design your personalized multi-skill learning track.
Comprehensive Course Content
Each course is designed with zero fluff and maximum practical application.
Microsoft Excel
Learn how to transform raw data into powerful insights!
- —Data Cleaning & Formatting
- —Advanced Formulas & Functions
- —Pivot Tables & Charts
- —Excel Dashboards & Automation
- •Mastery in Excel for data management and reporting
- •Confidence to handle corporate or business data efficiently
SQL
Query. Retrieve. Analyze. The foundational backbone of data analysis and database management.
- —Introduction to Databases
- —SELECT, JOIN, GROUP BY & Subqueries
- —Data Filtering & Sorting
- —Database Design Basics
- •The ability to extract valuable insights from large datasets
- •An edge in any data, finance, or analytics role
Tableau
Bring your data to life with stunning visuals and interactive dashboards.
- —Tableau Interface & Connections
- —Charts, Graphs, and Filters
- —Interactive Dashboards
- —Storytelling with Data
- •The skill to create business-ready dashboards that impress and inform
- •Data visualization expertise that employers love
Power BI
Microsoft’s flagship tool for powerful business intelligence and visualization.
- —Data Import & Transformation
- —DAX Formulas & Measures
- —Dashboard Building
- —Power BI Service & Publishing
- •Hands-on experience building real-world BI reports
- •The ability to help businesses make smarter, faster decisions
Python
The world’s most popular programming language for data analysis and AI.
- —Python Fundamentals & Libraries (NumPy, Pandas)
- —Data Cleaning & Visualization (Matplotlib, Seaborn)
- —Basic Machine Learning Concepts
- —Automations & Real-World Data Projects
- •A foundation to enter the world of Data Science and AI
- •The power to automate and analyze like a pro
AI Engineering
Learn the practical roadmap to becoming an AI Engineer and understand modern autonomous tools, agents, and automations.
- —How to use AI as a Data Analyst in Microsoft Excel and Google Sheets
- —Powerful steps to becoming an AI Engineer in 2026
- —How AI can automate reporting, analysis, and decision-making
- —Prompt engineering techniques that actually work
- —AI workflows that save hours every week
- —The best free AI tools every professional should know
- •Practical capability to work remotely, land higher-paying roles, freelance, or build AI-powered products
- •A solid modern engineering foundation across generative AI models and automation agents
R
Perfect for researchers, analysts, and statisticians who love precision.
- —R Basics & Environment Setup
- —Data Manipulation (dplyr, tidyr)
- —Visualization (ggplot2)
- —Statistical Modelling & Hypothesis Testing
- •Strong analytical and statistical thinking skills
- •Proficiency in research-grade data analysis
Make Payments for Premium Experience as Private Student
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WHY CHOOSE DAHEL TECHNOLOGIES?
We are recognized by the Federal Government of Nigeria having worked for the National Information and Technical Development Agency (NITDA) and the Nigeria Jubilee Fellowship Programme.
We have also worked with the US Embassy and Alumni Community at Kenya, Nigeria, Angola, and elsewhere.
We have worked with over 20,000 students in at least 6 countries including the United States, the UK, and the African Community in China.
One-on-One Mentorship
Learn directly from Microsoft Certified Trainers and industry experts dedicated solely to your pace.
Practical, Project-Based Learning
No fluff, only real-world corporate use cases, workflows, and portfolio projects.
Lifetime Support
We guide and mentor you even after class ends through alumni communities and advisory.
Certificate of Completion
Showcase verified skill mastery and expand your domestic and international career prospects.
Your data career starts here.
Don’t just learn — transform your skillset, career, and income.
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Private sessions are strictly scheduled around your calendar to guarantee 1-on-1 focus.