Chris Smith wrote: > Joachim Durchholz <[EMAIL PROTECTED]> wrote: > > I fail to see an example that would support such a claim. > > > > On the other hand, UPDATE can assign any value to any field of any > > record, so it's doing exactly what an assignment does. INSERT/DELETE can > > create resp. destroy records, which is what new and delete operators > > would do. > > > > I must really be missing the point. > > I *think* I understand Marshall here. When you are saying "assignment", > you mean assignment to values of attributes within tuples of the cell. > When Marshall is saying "assignment", he seems to mean assigning a > completely new *table* value to a relation; i.e., wiping out the entire > contents of the relation and replacing it with a whole new set of > tuples. Your assignment is indeed less powerful than DML, whereas > Marshall's assignment is more powerful than DML.
Exactly. Marshall -- http://mail.python.org/mailman/listinfo/python-list