"Jose" <discussi***@avandis.co.uk> wrote in message
news:1135436233.215881.325210@g14g2000cwa.googlegroups.com...
> Dear All,
>
> I have the following design issue which I am unsure how to solve.
> Here's the key information:
>
> I am writing a tool which will send emails/SMS to registered users. The
> registered user data will be stored in one database (we'll call it
> DB1). No changes can be made to DB1. All information related to the
> tool will be stored in a different database (we'll call it DB2). This
> will include the following tables (among others):
> - "Sent Email" table to store which user (from DB1) received what email
> - "User" table to store individuals who have permission to login to the
> tool
> - "Email Template" table to store email templates
> - "Email Template Log" table to record which user created/edited the
> template
>
> My specific problem is how to model these relationships in DB2. Will
> DB2 contain a "User Look Up" table which stores the ID (PK) of the user
> from DB1? Therefore my "Sent Email" table will have a FK from this look
> up table? In addition if the scenario was that I needed to record an
> attribute "Don't send me messages" would this be stored on the look up
> table as well?
>
> Thanks for any help in advance.
>
> Jose
>