Sample data by tool
Which datasets suit Excel, Power BI, SQL, Python and Tableau, with the file format to pick and an exercise to start with. The number on each card counts the datasets shaped for that tool.
Excel17
Ready-made .xlsx and .csv files with typed numbers and dates, plus formula questions with answers you can check.
Power BI17Datasets with dates, categories and measures that make a real report: sales, traffic, campaigns and calls.
SQL10A four-table store database with keys for JOINs, plus single-table .sql files for GROUP BY practice.
Python14CSV and JSON files that load with one line of pandas, with real data from USGS, the Census Bureau and the World Bank.
Tableau9Data with geography, dates and measures for maps, trends and dashboards.