"Michael Mattox" <michael(dot)mattox(at)verideon(dot)com> writes:
> I want to delete all rows in table C & B that correspond to a row in Table
> A.
Depending on how automatic you want that to be, perhaps foreign keys
would do what you want? You could set up B's and C's links to A as
"on delete cascade" foreign keys, and then a deletion from A would
clean them up too.
regards, tom lane