To Define a Non-Graphical Sub-Feature

Create the table with no geometry column, one ID, and one foreign key.

CREATE TABLE NO_GRAPHIC
(ID NUMBER PRIMARY KEY,
LinkedID NUMBER,
Name VARCHAR2(50));

Create the foreign key constraint defining the non-graphical sub-feature.

ALTER TABLE NO_GRAPHIC
ADD CONSTRAINT NoO_GRAPHIC_CABLEFK
FOREIGN KEY(LinkedID)
REFERENCES CabCABLE)
ON DELETE CASCADE;