1. Esri ArcGIS Enterprise Documentation. "What is ArcGIS Data Store?". ArcGIS Enterprise 11.0 Documentation. Accessed October 2023.
Section: Relational data store: "A relational data store stores data for the hosted feature layers that are created when you... run analysis tools in Map Viewer or ArcGIS Pro... It is the data storage component for a hosting server." This directly confirms that the relational data store is required for the output of standard analysis tools.
2. Esri ArcGIS Enterprise Documentation. "Data and publishing in ArcGIS Enterprise". ArcGIS Enterprise 11.0 Documentation. Accessed October 2023.
Section: Copy data: "When you publish a hosted feature layer... the data is always copied to the relational data store that is registered with the hosting server." This clarifies that hosted layers
the output of the described workflow
reside in the relational data store.
3. Esri ArcGIS Enterprise Documentation. "An overview of the ArcGIS Data Store configuration process". ArcGIS Enterprise 11.0 Documentation. Accessed October 2023.
Section: Overview: "At a minimum
you must create a relational data store. You can optionally configure a tile cache data store
spatiotemporal big data store
graph store
or object store." This establishes the relational data store as the fundamental and required type for core hosting functionality.