A Cosmos DB item must expire automatically after 24 hours. Which feature implements this?
- A Manual deletion via change feed
- B Time To Live (TTL) on the container (correct answer)
- C Retention policy
- D Scheduled purge with Azure Function
Shortcut: TTL (Time To Live) can be set at the container level (default) or overridden per item. Cosmos DB automatically deletes expired items, consuming background RUs.