If you manipulate a big database and wants to bind the result of a query which
is built e.g. using your application GUI, you certainly do not want to allow
the users to fetch a whole table into memory just because they type
'B*' in the query string.
In that case, you want to have the number of objects that would be retrieved using a given FetchSpecification, while not actually fetching the objects.
The EditingContext provides a dedicated method for that purpose:
Comments are welcome: Sebastien Bigaret / Modeling Home Page