Excel is where most analysts start; MySQL is where they level up. The switch happens when data outgrows what a spreadsheet can honestly handle — in size, repeatability, or reliability.
Key Points
- Excel caps at ~1,048,576 rows; MySQL handles hundreds of millions
- SQL queries are repeatable and auditable; spreadsheet steps are manual
- One shared database beats twenty versions of report_final_v3.xlsx
- Excel wins for quick ad-hoc looks and presentation-layer formatting
- The pro workflow: store and query in MySQL, present in Excel/Power BI
- Learning SQL is the single biggest jump in an Excel analyst's career
.png)