update RESEARCHER set ALLOWS_CONTACT_BY_MEDIA=0 WHERE ALLOWS_CONTACT_BY_MEDIA IS NULL;
update RESEARCHER set ALLOWS_CONTACT_BY_OTHER_RESEARCHERS=0 WHERE ALLOWS_CONTACT_BY_OTHER_RESEARCHERS IS NULL;
update RESEARCHER set ALLOWS_CONTACT_BY_STUDENTS=0 where ALLOWS_CONTACT_BY_STUDENTS IS NULL;
update RESEARCHER set ALLOWS_TO_BE_SEARCHED=0 where ALLOWS_TO_BE_SEARCHED IS NULL;
