On Thursday, June 9, 2011 6:59:34 PM UTC-4, Thiago wrote:
>
> I have this auth_user table, and another table called activities. This
> activities have 2 fields that are foreing keys to user (created by and
> modified by). If I delete any user that created or modified one activity,
> the activity is deleted.
>
> Do I have to put NO ACTION in all fields that is foreign key to user? I
> don't see how NO ACTION in the ondelete of activity solves my problem...
>
> Sorry I'm very confused. I just got one system made by some other people
> (with no documentation =( ) and I am trying to understand to maintain it...
>
I think you would specify ondelete='NO ACTION' in the reference fields in
the 'activities' table.