When Kotomarket Comes Alive
When Kotomarket Comes Alive
L. is looking for the hours when the Kotomarket archive is most active. Group the events by the hour from event_ts and return the hour number as hour and the event count as cnt. Sort by hour.
Expected output sample
This is what a correct answer looks like — its row count is its own, it doesn't have to match the schema tables. Your answer must use the same column names as this sample — alias them with AS if needed.
| hour | cnt |
|---|---|
| 8 | 2 |
| 9 | 3 |
| 10 | 2 |
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