MSSQL and ALTER AUTHORIZATION on table has no affect?
I think the following quote should explain what is going on
&quot;Ownership of schema-contained objects can be transferred to any database-level principal, but the schema owner always retains CONTROL permission on objects within the schema.&quot;
https://docs.microsoft.com/en-us/previous-versions/sql/sql-server-2008-r2/ms189462(v=sql.105)