The domain configuration repository stores configuration and user information from a domain.

The reference data warehouse stores the data values for reference table objects that you define in a Model repository. Configure a Content Management Service to identify the reference data warehouse and the Model repository.

The data object cache stores cached logical data objects and virtual tables for the Data Integration Service. Data object caching enables the Data Integration Service to access pre-built logical data objects and virtual tables.

The profiling warehouse stores profiling and scorecard results. You need a profiling warehouse to perform profiling and data discovery.

The workflow database stores run-time metadata for workflows using the Data Integration Service.

The Metadata Manager repository is a centralized location in a relational database that stores metadata from disparate metadata sources. It also stores the Metadata Manager warehouse and the models for each metadata source type.

The Model repository stores data and metadata from the Informatica services and clients. Informatica client tools, such as Analyst tool and the Developer tool stores the data into the Model repository.

The Monitoring Model repository stores statistics for ad hoc jobs, applications, logical data objects, SQL data services, web services, and workflows created by Informatica clients and application services.

The PowerCenter repository stores data and metadata from the PowerCenter services and clients. The PowerCenter Repository Service manages the repository and performs all metadata transactions between the repository database and repository clients.