Past Questions

Access past exam questions from various years to prepare for upcoming exams.

Friday, 08-May-2026     The expert in anything was once a beginner.     Friday, 08-May-2026

Think of your raw data warehouse as an uncompressed, bloated directory filled with redundant files. Your goal in Power BI or Analysis Services is to create a clean, high-performance "repack" of this data. Columnar Storage vs. Row Storage

One of the key insights I've gained from my repack approach is the importance of simplicity. Rather than trying to create complex, convoluted DAX formulas, I've learned to focus on simple, straightforward solutions. This means breaking down larger problems into smaller, more manageable pieces – and using DAX to solve each piece incrementally.