Re: deleting the master but not the detail

> 
>> So is there no other way to do it but to verify the integrity using triggers
>> and drop the referential constraints?
> 
> Well, you could do something using a before delete trigger on the
> referencing table that returns NULL to avoid the delete as well, but
> making it only prevent the deletions caused by the referential constraints
> might be difficult.
> 

That's right, It's easier to verify the existence of the master before inserting
something in the details than controlling the way something gets deleted.
After all, is only a
PERFORM * FROM.... WHERE NEW.....
IF NOT FOUND THEN
RISE EXCEPTION 'that doesn't exists';...
_________________________________________________________________
Plug&Play te trae en exclusiva los mejores conciertos de la red
http://club.prodigymsn.com/