Dataset pack
Customer tier history
A customer tier history table with closed versions and current rows, including a duplicate open row.
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 Current rows from a history table.
history 14 rows × 5 columns
Download history.csv (Pro)Data dictionary
- row_id
- Unique row ID.
- customer
- Customer code.
- tier
- Tier name.
- valid_from
- Start date of the version.
- valid_to
- End date; empty for the current version.
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.