Arcgis Server not only can host spatial data, but also can host non spatial data.
Excel table, CSV file, and any table in your SQL server or Oracle can be upload to Arcgis server
Let's check out samples.
https://transparentgov.net/json2tree/esri/server/restapi.html?url=https://sbcta-gis.sanbag.ca.gov/arcgis/rest/services&org=San%20Bernardino%20Council%20of%20Governments%20CA&_center_lat=34.108318&_center_long=-117.294151&_center_zoom=17
https://transparentgov.net:3200/arcgis/featuretable4/default?cross=default&layer_id=2&layer=TdaAwards&url=https%3A%2F%2Fsbcta-gis.sanbag.ca.gov%2Farcgis%2Frest%2Fservices%2FTda3Awards%2FMapServer&select_field=9&select_fieldvalue=1
https://transparentgov.net:3200/arcgis/featuretable/default?cross=default&layer_id=2&layer=TdaAwards&url=https%3A%2F%2Fsbcta-gis.sanbag.ca.gov%2Farcgis%2Frest%2Fservices%2FTda3Awards%2FMapServer