Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Training Power Query M Language - Automate Professional Data Transformations
Trusted by — schools, companies and industrial groups
25,651 programs · 25 countries
Every program built with a dedicated engineer
Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.
Learning objectives
- Master advanced Power Query M syntax for professional transformations
- Develop optimized custom M functions in an enterprise context
- Implement recursive and iterative expressions for complex datasets
- Optimize M query performance with expert debugging
- Design certified data pipelines integrating M Language
- Deploy scalable M scripts for BI automations
- Acquire professional Power Query M certification skills
Program
Module 1Power Query M Language: Advanced Syntax and Data Structures (records, lists, tables)
Dive into complex M data types through practical exercises on real enterprise datasets, manipulate records and lists to clean massive data flows, structure dynamic tables with optimized folding, code first let/in functions for immediate reuse, test transformations in Power BI with trainer feedback, produce deliverable: validated modular M script in group.
Module 2Power Query M Language: Custom Functions and Lambda Expressions (recursion, iteration)
Create custom M functions for advanced automations, implement lambdas on real cases like product hierarchies, master recursion for BI decision trees, iterate over large datasets without memory overload, integrate List.Generate and Table.AddColumn in ongoing projects, debug in real-time with expert trainer, generate reusable function library for your enterprise.
Module 3Power Query M Language: Performance Optimization and Expert Debugging (Query Diagnostics)
Analyze M query performance with built-in Power Query tools, optimize folding and buffering on terabyte-scale data, track memory leaks via Query Diagnostics, refactor legacy code for 50% execution time gains, apply profiling to your professional datasets, simulate production scenarios with real loads, produce quantified optimization report as certification deliverable.
Module 4Power Query M Language: Advanced Integration and Enterprise Deployments (API, gateways)
Integrate M scripts into Power BI Service and Excel via secure gateways, automate ETL pipelines with M in Azure Data Factory, manage advanced runtime errors and custom logging, deploy shared templates for BI teams, test REST/API interoperability live, finalize complete ongoing project with defense, receive professional Power Query M certification.
Evaluation method
- Advanced MCQ to validate M language knowledge
- Evaluation of practical exercises on custom functions
- Defense of ETL M project before expert trainer
- Performance audit of personal script
Learning method
- Training by certified Power BI MVP instructor
- Exercises on anonymized enterprise datasets
- End-to-end ETL Power Query M project
- Course materials + source M scripts provided
Methods, materials and delivery
The Training Power Query M Language - Automate Professional Data Transformations program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training Power Query M Language - Automate Professional Data Transformations program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training Power Query M Language - Automate Professional Data Transformations program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
The Learni story
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Our social commitment
A school kit donated to a child for every training booked
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
- Backpack, notebooks and essential supplies
- Distributed through our partner charities
- Included, at no extra cost to you
FAQ
Frequently asked questions
Which tools are used in Power Query M Language training?+
Hands-on work runs on records, lists, tables, recursion, iteration and query Diagnostics. Those tools come from the Power Query M Language program itself, delivered on site over 4 days, so participants practise on the stack they will use at work.
What can participants do after Power Query M Language training?+
They can master advanced Power Query M syntax for professional transformations, develop optimized custom M functions in an enterprise context and implement recursive and iterative expressions for complex datasets. Those are the stated objectives of the Power Query M Language program at Advanced level, checked by the end-of-session assessment.
What does the Power Query M Language program cover, day by day?+
Day 1: Power Query M Language: Advanced Syntax and Data Structures (records, lists, tables). Day 2: Power Query M Language: Custom Functions and Lambda Expressions (recursion, iteration). Day 3: Power Query M Language: Performance Optimization and Expert Debugging (Query Diagnostics). Day 4: Power Query M Language: Advanced Integration and Enterprise Deployments (API, gateways). The Power Query M Language program runs over 4 days, delivered on site.
How is Power Query M Language training assessed?+
Assessment relies on advanced MCQ to validate M language knowledge, evaluation of practical exercises on custom functions and defense of ETL M project before expert trainer. Learni issues a completion certificate together with the individual assessment report at the end of the Power Query M Language program, which an L&D team can file as evidence.
How much does Power Query M Language training cost per participant?+
Power Query M Language training is priced on quote. The amount depends on headcount, format and how far the syllabus is tailored to your team. A detailed quote is sent within one business day, and team pricing covers the whole group from the second participant.
How long does Power Query M Language training take?+
4 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Power Query M Language training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Power Query M Language training?+
Mastery of Power Query Editor, advanced Power BI/Excel, basics of functional programming.
Is a certificate issued after Power Query M Language training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
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