The Loader transforms metadata of the database catalog, application data, and pages of a database instance into metadata and application data (data definitions, data records, and data fields), and pages and conversely, in a format that the Loader can read. The data is unloaded into data streams, or loaded from these streams.
Every data stream is identified using the following data:
· Metadata and/or Application Data
· Data Format and Format of the Data Stream
· Medium