Re: DDL issue

On Thu, 12 Sep 2024, Adrian Klaver wrote:

> Quick and dirty:
>
> people_table
> person_id PK
> name_last
> name_first
> email_address
> ph_number
> ...
>
> location_table
> loc_id PK
> person_id_fk FK <--> people_table(person_id)
> loc_name
> loc_st_addr
> loc_st_city
> loc_st_st_prov
> ...
>
> contact_table
> contact_id PK
> loc_id_fk FK <--> location_table(loc_id)
> contact_ph_number
> contact_email --Can be null
>
> It can get more involved then this, depends on how flexible you want to get.

Adrian,

There are many companies with multiple locations, but few owners with
multiple companies, each with a different location. David's reminder about
many-to-many tables will do the job.

Thanks,

Rich