Research: do not update CMS on every insert
Can we update CMS (or his friends) not on every insert (that seems to be too much expensive), but once per 100 tuples? What would change with its error estimations in this case?
Edited by Denis Smirnov
Can we update CMS (or his friends) not on every insert (that seems to be too much expensive), but once per 100 tuples? What would change with its error estimations in this case?