You can use

Cloud Integration Hub

to store relational data in a relational database and store files as-is in a file store. In a relational database, a topic defines the data structure and additional data definitions, such as the data retention period.

For example: Create an Accounts topic into which two CRM applications, a current application and a legacy application, publish accounts data. The marketing application and the data warehouse subscribe to the data in the Accounts topic.

You can use

Cloud Integration Hub

to store files as-is in a file store. In a file store, a topic defines the data retention period.

Multiple applications can publish to the same topic and an application can subscribe to a specific topic in a relational database or a file store. An application can subscribe to multiple topics in a relational database.