The PowerExchange Listener coordinates activities across systems, initiates requests, or processes requests from third-party applications. You must run a PowerExchange Listener to move data across systems.

The PowerExchange Listener performs the following functions:

PowerExchange Condense captures change data and stores the data in condense files. The condense files store only the successfully completed UOWs, in chronological order by end time. When an extraction session runs, the data is extracted from the condense files rather than from the change stream.

If you add or edit capture registrations, you must restart the PowerExchange Condense job to activate the additional or changed registrations.

The PowerExchange Navigator is a Windows graphical user interface from which you create and maintain capture registrations and extraction maps. You can also define data maps if you need to do column-level processing, such as building expressions to populate user-defined columns.

Create a capture registration for each source table of interest for CDC. The PowerExchange Navigator automatically generates a corresponding extraction map.

A capture registration identifies: