I think triggers are your only option, here.
On 11/9/09, Sebastiaan van Erk wrote:
> Hi,
>
> I have the following model:
>
> Domain (*)<-(1) Account (*)<-(1) User
>
> That is, each user belongs to exactly 1 account, an account can have
> multiple users; each account belongs to a single domain, an
Hi,
I have the following model:
Domain (*)<-(1) Account (*)<-(1) User
That is, each user belongs to exactly 1 account, an account can have
multiple users; each account belongs to a single domain, and a domain
can have multiple accounts.
A user has an email address, which must be unique acro
