dfeQueryEngine
Set to enabled if the DFE engine is fully enabled, or to viaQueryHint (the default) if the DFE engine is only used with queries that have the useDFE query hint set to true.
Set to enabled if the DFE engine is fully enabled, or to viaQueryHint (the default) if the DFE engine is only used with queries that have the useDFE query hint set to true.