سلام
اجراي دستور expdp براي اسكيماي armin
SQL> CREATE OR REPLACE DIRECTORY ar_dir AS '/u01/app/oracle/oradmps/';
SQL> GRANT READ, WRITE ON DIRECTORY ar_dir TO armin;
OS> expdp armin/arminpwd@dbname job_name=EXPSCH schemas=ARMIN directory=ar_dir dumpfile=ARMIN_%U.dmp logfile=ARMIN_%U.log status=60