NENASHI, Tegiri wrote:
> You are joking are you not ? It is simple because the structure of the
> relations is the same, there is not the change of the structure that a
> join of tables has, you did not create a new structure. The probleme of
> the view updatability is a morphing of one structure into the other.
Yes the relational transformation is indeed simple in this case. Yet
the example is far from trivial. And the quesion is: how do one
formally inverts such a view.
Received on Wed Nov 15 2006 - 17:55:54 CST
