> More obvious if you drop a user defined type that a column was using. Or
> the functions that the user defined type depended on to import / export
> data then there is no method to insert or extract information from that
> column -- or more to the point any tuple within that table.
>
> This is what CASCADE does. Ensures the structure is clean much like
> foreign keys and constraints help keep data clean.
>
> RESTRICT is there for those who don't fully understand the structure.
> Cautiously test the waters to see what else you may be affecting first.
Yeah, I guess you're right!
Chris
