Heinrich Bohne

Thanks for your reply. Do you mean if routine variable names are accessible via routine name prefix in other database management systems? I have no idea, I am only acquainted with HSQLDB, I inferred the fact that routine parameter names can be qualified from Google results when looking for a solution to this problem, before discovering that it is not possible in HSQLDB.

Qualified routine parameter names

Modifying records in a database via the GUI not working correctly with NULL values