Description of the illustration alter_tablespace_encryption.eps

ENCRYPTION
  { { OFFLINE { ENCRYPT | DECRYPT } }
  | { ONLINE { { [ tablespace_encryption_spec ] { ENCRYPT | REKEY } }
               | DECRYPT }
             [ ts_file_name_convert ] }
  | { FINISH { ENCRYPT | REKEY | DECRYPT } [ ts_file_name_convert ] }
  }