--以system或sys创建这些:
create user ua
identified by ua;
grant connect ,resource to ua;
create directory dumpDir as 'e:\dumpDir';
grant read,write on directory dumpDir to ua;
--再以ua用户登录创建表,然后就可以导出了,你对照着看看哪里不对,不懂再问
expdp ua/ua directory=dumpDir schemas=ua dumpfile=exfile.dmp logfile=Log.log