@JustinH mentioned in 1:M Join to Pull feature with Specific Attribute information:
I pull all of the data from an AGOL Feature Service that our organization is hosting.
What SQL dialect is used in SQL expressions on AGOL Feature Service data?
Hello @Bud , is "Standardized SQL" the answer you are looking for ?
https://doc.arcgis.com/en/arcgis-online/reference/sql-agol.htm
"ArcGIS Online requires developers to use standardized SQL queries when querying hosted feature layers."
Thanks @ChrisUnderwood.
What is meant by the word "workspace" in this context? Is a different AGOL FC/table considered to be a different workspace?
Standardized SQL functions in ArcGIS OnlineStandardized queries are not supported on joins between different workspaces.
Standardized SQL functions in ArcGIS Online
Standardized queries are not supported on joins between different workspaces.
For example, are Table_1 and Table_2 different workspaces?
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