Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training Power Query - Mastering Advanced ETL in Enterprise training are: Mastery of intermediate Power Query, advanced Excel, and basics of Power BI or SQL. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training Power Query - Mastering Advanced ETL in Enterprise training is available in distanciel. The format can be adapted to your needs (inter, intra, custom).

Training Power Query - Mastering Advanced ETL in... | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The Training Power Query - Mastering Advanced ETL in Enterprise training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Training Power Query - Mastering Advanced ETL in Enterprise training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training Power Query - Mastering Advanced ETL in Enterprise training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training objectives

Master advanced M functions in Power Query for complex transformations

Develop professional and scalable ETL pipelines in enterprise

Optimize Power Query query performance on large volumes

Implement dynamic parameters and custom certifying functions

Design robust data models connected to multiple sources

Automate analysis processes to gain professional productivity

Deploy Power Query solutions integrated with Power BI and Excel

Training program

Module 1Advanced Transformations: Custom M Functions in Power Query (Complex ETL, Dynamic Parameters)

Dive into creating custom M functions to transform massive datasets, configure dynamic parameters for adaptive queries, practice extracting and merging heterogeneous sources like SQL and CSV, perform exercises on real enterprise cases with automated cleaning, produce a first functional ETL pipeline, and test its robustness on increasing volumes.

Module 2Complex Data Management: Hierarchies and Relationships in Power Query (Advanced Modeling, Integrated DAX)

Explore recursive hierarchies and many-to-many relationships via Power Query, integrate DAX for advanced calculations upstream, manipulate JSON and XML with custom parsers, apply practical exercises on real financial data, build a pivotable data model, validate relational integrities, and generate intermediate reports to visualize performance gains.

Module 3Performance Optimization: Tuning Power Query for Large Volumes (Indexing, Buffering, Diagnostics)

Learn to profile and optimize Power Query queries with Query Diagnostics, implement buffering and indexing to accelerate folds, test on datasets of several million rows from ERP systems, reduce execution times by 70% using advanced techniques, analyze bottlenecks in groups, produce an optimization report, and apply it to your ongoing project for production-ready deliverables.

Module 4Automation and Deployment: Power Query Scripts in Production (Power BI Integration, Excel, API)

Develop automated scripts for scheduled refreshes in Power BI Service, integrate Power Query with secure REST API flows, deploy reusable templates in teams, simulate enterprise deployments with data gateways, finalize the ongoing project with trainer code review, document processes for easy maintenance, and measure concrete ROI in time saved.