Dataset pack
Customer file saved with a BOM
A customer CSV saved as UTF-8 with a byte-order mark before the first header.
Fictional data · UTF-8 CSV, every value quoted so padding and leading zeros survive; empty fields are missing values · free for personal and classroom practice · practise it in An invisible character in the header.
customers 9 rows × 3 columns
Download customers.csv (Pro)Data dictionary
- customer_id
- Customer ID; the header starts with U+FEFF.
- Email as typed.
- country
- Country code as typed.
Values are shown in quotes so leading and trailing spaces are visible. ∅ means the cell is missing. Exercises are also graded on hidden datasets that are never published.