Using Parser Functions / GN Commands Across Databases

Question

Is it possible to use Parser Functions as well as GN Commands across databases?

For example, from a water database into an AV database?

Problem

Currently, Parser Functions and GN Commands only work if the referenced tables are present in the same data source.

They do not work across databases (e.g., from WAS to AV).

Solution

As a workaround, the corresponding table must either be copied into the other data source or integrated via a view.