Business Intelligence with Power BI & Tableau is a structured track of 12 lessons that build a complete, interview-ready understanding of the topic. Work through them in order, then use the quiz and flashcards in each lesson to revise.
What this course covers
- What Business Intelligence Tools Do and Where They Fit - The role of a reporting layer, and what it should never be asked to do.
- Connecting & Preparing Data Inside a Reporting Tool - Live connections versus extracts, and how much cleaning belongs in the tool.
- Power BI: Power Query, the Data Model & Relationships - Shaping data and building a relationship model that measures can rely on.
- Power BI: Measures, Calculated Columns & Evaluation Context - The calculation language, and the filter-context idea that makes it click.
- Power BI: Building, Publishing & Sharing a Report - From canvas to a shared, refreshing report with the right permissions.
- Tableau: Connections, Views & Calculated Fields - Building views quickly, and writing calculations that stay readable.
- Tableau: Level of Detail Expressions & Table Calculations - The two features that separate competent Tableau work from basic, with examples.
- Tableau: Dashboards, Actions & Interactivity - Filters, parameters and actions that guide a user instead of confusing them.
- Power BI versus Tableau versus Looker: An Honest Comparison - Where each tool genuinely wins, and what Indian employers actually run.
- Performance Tuning Slow Dashboards - Diagnosing whether the model, the query or the visual design is the bottleneck.
- Governance in Reporting: Certified Data & Access Control - Certified datasets, row-level security and stopping dashboard sprawl.
- Case Study: Rebuilding a Bad Dashboard, Decision by Decision - A cluttered dashboard rebuilt, with every design and modelling choice justified.