Dataset pack
Key-value change feed
A change feed of inserts, updates and deletes with sequence numbers.
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 Apply a change feed.
changes 17 rows × 4 columns
Download changes.csv (Pro)Data dictionary
- seq
- Sequence number (unique).
- key
- Key that changed.
- op
- I, U or D.
- value
- New value (empty for deletes).
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.