Op Saturday 17 March 2001 22:04 kon Denis Mettler het niet nalaten op te
merken:
> Hi there,
>
> Another problem.
> i have the following tables:
>
> table 1:
> id, primary key, auto increment
> name varchar(50)
> city varchar(50)
> phone varchar(25)
>
>
> table 2:
> categorie_id, primary key, auto_increment
> kategorie varchar(50)
>
>
> in table one i have the contacts
> and in table two the categories (Business, privat...)
>
> but how can i link these tables for a query.
> i ask because i know that mysql doesn't support foreign keys.
>
> thanks in advance
> denis
>
If your contacts will always belong to one category, you can add a
'categorie_id' to your first table. If a contact can belong to more than one
category, you need an intersection table, containing contact_id and
categorie_id.
Marc
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