数据泵工具导出的步骤:
1、创建DIRECTORY
create directory dir_dp as 'D:/oracle/dir_dp';
2、授权
Grant read,write on directory dir_dp to zftang;
--查看目录及权限
SELECT privilege, directory_name, DIRECTORY_PATH FROM user_tab_privs t, all_directories d
WHERE t.table_name(+) = d.directory_name ORDER BY 2, 1;