exp usrlgn/usrpsw@dbname file=E:\DB\dump.dmp log=E:\DB\dump.log

imp usrlgn/usrpsw@newdbname "file=E:\DB\dump.dmp" FROMUSER=usrlgn TOUSER=usrlgn DESTROY=N

select table_name from dba_tables 
where OWNER='USR'
   and NUM_ROWS=0 

minus

select table_name 
from dba_tables 
where tablespace_name='USERS' 
   and owner='USR' 
   and table_name not in (select segment_name from dba_segments where owner='USR')