You can use SAP Table Reader Connector to connect to the SAP BW/4HANA application and read large volumes of data from SAP ADSO objects.

SAP Advanced DataStore Object (ADSO) is the central object for data storage and data consolidation in the SAP BW system. ADSO is the primary persistent object in BW/4HANA and simplifies the modeling and support environment. ADSOs are commonly stored in 2-dimensional transparent database tables.

Data Integration

imports the following SAP ADSO information:

ADSO name
Description
Type
Info area
Transfer structure
Field information such as the name, type, description, precision, scale, SAP type, SAP length, SAP output length, and SAP decimals.