The catalog and schema properties of a data source object are used to form qualified table references when SQL is dynamically generated.
i.e. select .. from x.y.z or y.z.
Those properties are not used to perform an explicit 'use database' or 'set schem...
i.e. select .. from x.y.z or y.z.
Those properties are not used to perform an explicit 'use database' or 'set schem...