Re: [provision] Reference capability.

[Gary P Cole <Gary.P.Cole@Sun.COM>]

Re-posting.  Originally posted November 29 (so the phrase "last 
Face-to-Face" below actually refers to the Face-to-Face in Long Island).

Gary P Cole wrote:

> I cannot find the examples of Reference definitions and modifications 
> that came out of the last Face-to-Face.  I recall that we went through 
> several flavors of reference modifications that varied depending on 
> the cardinality of the reference type.
>
> I need to know/remember:
>
> 1. How does one name a reference type? For example, how would one 
> define an "owner" reference from Account to Person? (I seem to recall 
> that we had a way to do this.)
>
> 2. Can one specify the direction of a named type of reference? For 
> example, can one specify that "owner" is from Account to Person? If 
> so, how?
>
> 3. Can one specify cardinality for a named type of reference?
> For example, can one specify that an Account can have only a single 
> "owner"?  Can one also specify that a Person can own multiple Accounts.
> (As I recall, we decided to assume many-to-many.)
>
> 4. Can one specify an inverse for a named type of reference?  For 
> example, can one specify that "owns" reference from Person to Account 
> is the inverse of "owner"?
> (As I recall, we blew this off entirely.)
>
> If you remember any of this (or can point me to a document), I'd 
> appreciate it.
>
> gpc