Stores cached logical data objects and virtual tables. Data object caching enables the Data Integration Service to access pre-built logical data objects and virtual tables. You need a data object cache database to increase performance for mappings, SQL data service queries, and web service requests.

Stores profiling information, such as profile results and scorecard results. You need a profiling warehouse to perform profiling and data discovery.

Stores all run-time metadata for workflows, including Human task metadata.