| Business Question | SQL | Power BI |
|---|---|---|
| Average readmission rate | AVG() | Card Visual |
| Readmissions by state | GROUP BY State | Map |
| Top 10 hospitals | TOP 10 + ORDER BY | Bar Chart |
| Rank hospitals | RANK() | RANKX() |
| Compare predicted vs expected | SQL calculation | KPI Visual |
| Readmission trend | SQL query | Line Chart |