1.dba登录oracle
sqlplus /@orcl as sysdba
2.创建目录 授权目录
create directory bluesys1016 as 'C:\bluesys\DemoData';
grant read,write on directory bluesys1016 to bluesys;
3.退出sqlplus exit
4.执行expdp
expdp bluesys/bluesys@orcl directory=bluesys1016 dumpfile=bluesy
s.dmp