I'm trying to publish a service with 'Feature Access' (Feature Service) capabilities. I'm using Postgres 9.4, PostGIS 2.2.5. and ArcGIS Server 10.5. I have no problem publishing a PostGIS vector dataset. However, I run into a problem when trying to publish a standalone table (non-spatial). When I run the 'analyzer', I get the error message:
"Standalone table's data source is not registered with the database (Feature Service)" status 00061.
How come I can't do this? Also, a main goal here is to NOT SDE-enable this database. I can do this with a PostGIS dataset... why can't I do it with a non-spatial table (yes, it is in the same database in Postgres).