Re: Storing data and code in a Db with LISP-like interface

> Okay, but where does relational allegedly trip up or get difficult?

I would say mostly in the has hierarchy whose root is CourtHouse1. This is because the has hierarchy contains things of various types (buildings, floors, rooms and persons at various levels).

Dir
 |-item-

    |-Building
    |  |-instance-


    |     |-CourtHouse1

    |        |-has-
    |           |-Floor1+
    |           |-Floor2+
    |           |-Courtney+
    |
    |-Floor
    |  |-instance-


    |     |-Floor1

    |     |  |-has-
    |     |     |-Room1+
    |     |     |-Ashley+
    |     |


    |     |-Floor2

    |        |-has-
    |           |-Room1+
    |           |-Room2+
    |
    |-Room
    |  |-instance-


    |     |-Room1 (of Floor1)

    |     |  |-has-
    |     |     |-Clark+
    |     |


    |     |-Room1 (of Floor2)

    |     |


    |     |-Room2 (of Floor2)

    |        |-has- 
    |           |-Judy+