Which Cosmos DB feature is used to run atomic multi-document transactions within a single logical partition?
- A Batch API with isolation
- B Stored procedures with transactional batches (correct answer)
- C Change feed with optimistic concurrency
- D Multi-region write with conflict resolution
Shortcut: Stored procedures in Cosmos DB execute within a transaction scoped to a single logical partition. The transactional batch API also enables atomic multi-document operations within one partition.