Data Analyst
Performance and debugging questions
13 questions on Performance and debugging for data analysts, easiest first.
Easy 1
Medium 3
Hard 9
- A DirectQuery table visual errors outhard
- Fast summaries over a DirectQuery facthard
- A matrix that suddenly shows every producthard
- Why the model recalculates slowlyhard
- Fast lookup on a million rowshard
- Model slows down after adding data tableshard
- A slow filter on a window viewhard
- One partition takes all the timehard
- Five windows, five sortshard