Course · Power BI

Advanced DAX & Performance

For people who already write DAX: advanced patterns, calculation groups and finding out why a report is slow.

Level
Advanced
Format
Live online, small group
Length
12 hours, 4 sessions
Price
$199

Price and enrolment

$199 per learner

  • 4 sessions × 3 hours (12 hours)
  • Live online, groups of up to 12
  • Hands-on labs and course materials
  • Q&A with the instructor

We confirm the next cohort dates and send an invoice. Your seat is held once payment is received. Prices in US dollars, excluding any local taxes.

Save with a path

This course is part of the Power BI Professional path: $599 for the full path.

See Learning Paths

For teams

Training a team? Private cohorts from $600 per day.

Discuss Team Training

Who it is for

This course is for

  • Experienced Power BI developers
  • Corporate BI teams maintaining large models

Syllabus

What each session covers

Session 1 · Advanced filter patterns

  • Context transition
  • Expanded tables and relationships in DAX
  • Many-to-many and bridge tables

Session 2 · Advanced calculations

  • Calculation groups
  • Window functions
  • Semi-additive measures and snapshots

Session 3 · Performance analysis

  • Performance Analyzer and DAX Studio
  • Storage engine vs formula engine
  • Model size and column cardinality

Session 4 · Optimisation

  • Rewriting slow measures
  • Import, DirectQuery and composite models
  • Aggregations and incremental refresh

Hands-on labs

What you will build

  1. Diagnose a slow report page
  2. Reduce model size
  3. Replace repetitive measures with a calculation group
  4. Rewrite a slow measure and measure the gain

Before you join

Prerequisites and setup

Level
Advanced
Prerequisite
Data Modelling & DAX or solid DAX experience
You need
Power BI Desktop and DAX Studio (free) installed

Outcomes

After the course you should be able to

  • Use advanced DAX patterns where they help
  • Find the real cause of slow reports
  • Make models smaller and faster

Courses build practical skills. They do not promise certification passes, job placement, salary increases or expert-level mastery.

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Need it built? · Datazeb Consulting

Want Datazeb to build or fix your Power BI?

The trainers deliver Power BI projects for clients. If you need a model, dashboard or a governed environment built for you, the consulting team can help.

datazeb.com

Reserve your seat on Advanced DAX & Performance

Send the short form; we confirm the next cohort dates and send an invoice.