You can use a special extraction class to extract tables that contain cells with key/value pair. A new event attribute is created for each extracted key of an event.
Extraction class
com.idsscheer.ppm.xmlextractortools.extractor.jdbc2ppm.ZTableKeyValueFieldsToAttributes_jdbc2ppm
The behavior and configuration of this extraction class is identical to the corresponding extraction class of an SAP system, except for the different class name. For details, see the corresponding chapter Extract tables with key/value columns.
The following configuration refers to the JDBC extraction class mentioned above: