Include All Sites in Intranet
This check box is enabled only if you are logged into the master site of an intranet.
Select this check box if some _all tables at your master site and the corresponding _all views at the other sites on the shared intranet need to be truncated and/or repopulated.
Then click either
or .The selected _all tables are then truncated/repopulated at the master site, and a remote method call is run to truncate/repopulate the views at the other sites on the intranet. The changes made at the other sites are then replicated back to the master site so that the tables at the master site are populated correctly.