Table of Contents
Database modification statement semantics
evalcond ( cond, eqs, target, dyn, rassns, translate, invtrans, )
factored out shared op between Update and Delete.
create index operation
create table operation
CREATE VIEW name (namelist) AS selection
DROP VIEW name
mixin for DDF statement sorting, subclass defines s.cmp(o)
optimize to use indices and single call to "cond"