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You can use the data mart interface and open hub destination to broadcast BW data to systems that are downstream from the SAP NetWeaver BW system.

The data mart interface can be used to extract data to further SAP NetWeaver BW systems that you have loaded into a SAP NetWeaver BW system and consolidated there. InfoProviders that had already been loaded with data are used as the data source.

You can also extract data from a SAP NetWeaver BW system to non-SAP data marts, analytical applications and other applications. To do this, you define an open hub destination that ensures controlled distribution across multiple systems. Database tables (of the underlying database for the BW system) and flat files can be used as open hub destinations. You can extract the data from the database to a non-SAP system with Application Programming Interfaces (APIs) using a third-party tool.