    class
    	TYPES [G -> DATABASE create default_create end]

    Ancestors
    	HANDLE_SPEC [G -> DATABASE create default_create end]

    Descendants
    	COLUMNS [G -> DATABASE create default_create end]
    	DATABASE_DATA [G -> DATABASE create default_create end]
    	DATABASE_REPOSITORY [reference G -> DATABASE create default_create end]

    Clients
    	TYPES [G -> DATABASE create default_create end]

    Suppliers
    	DATABASE*
    	TYPES [G -> DATABASE create default_create end]