Dataset pack
CRM records with possible duplicates
CRM contact records where the same person was entered more than once with varying email case.
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 Build a duplicate review queue.
records 16 rows × 3 columns
Download records.csv (Pro)Data dictionary
- record_id
- Unique record ID.
- name
- Contact name as entered.
- Email as entered; may be missing.
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.