What is a Cosmos DB analytical store and which feature does it enable?
- A A replica for disaster recovery
- B A column-oriented copy of operational data enabling HTAP analytics via Azure Synapse Link without impacting transactional performance (correct answer)
- C An archive tier for cold data
- D A secondary index on non-partition key fields
Shortcut: Analytical store (enabled via Azure Synapse Link) automatically syncs data to a column-oriented store, enabling analytical queries via Synapse Analytics without RU cost or impacting the transactional workload.