What is the main advantage of Cosmos DB's hierarchical partition keys?
- A Enables strong consistency across regions
- B Allows containers to exceed the 20 GB logical partition limit by creating sub-partitions (correct answer)
- C Enables multi-master writes per partition
- D Provides automatic index management
Shortcut: Hierarchical partition keys (up to 3 levels) distribute data more granularly, preventing hot partitions when a single partition key value approaches the 20 GB limit.