Re: many junction tables

I don't understand what exactly your problem is. What
what makes me unsure is: why do you want to store the
target table names in the association table?

Eric Kolve wrote:
>
> I was wondering if anyone has a solution to the following problem. I
> have a few tables similar to the following.
>
> person_table
>
> city_table
>
> company_table
>
> If I want to associate a person with a one or more cities. I need to
> create a city_persons table that contains just the primary keys of both
> the city_table and person_table. If I want to associate a person to
> many companies, I have to do a similar thing. Now, if I wan to
> generalize these associaes I can create something like an associate
> table which will contain both id's plus two columns which indicate the
> source and target tables of the relaionship. Does anyone have
> suggestions along these lines on how to generalize such relationships?
>
> thanks,
>
> --eric
>
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