>>
>>In order to edit tables, they need to have uniquely identifyable rows,
>>see the doc.
>
> Sorry for the term, a master table is the one that contains the primary
> key, the "detail" table references the primary key in that master table,
> a "master-detail" relationship.
>
Create primary keys in *every* table, unless you have a very very good
reason not to do so (and these are rare).
Regards,
Andreas
