Export oracle11g DMP and Import methods with oracle10g ____oracle

1, before the Export clean table

Clean up the empty table, use the following statement to find out the need to process the table, then execute SQL
1 Select ' ALTER TABLE ' | | table_name| | ' allocate extent; '
From User_tables WHERE segment_created= ' NO ';

2 Delete Invalid Dblink
Export table
Exp Userid=ats/123456@10.60.44.23/atstest file=e:\exam.dmp Log=e:\exam.log

Exp Userid=abictest/123456@10.60.44.23/atstest file=e:\abictest.dmp Log=e:\exam.log
Import Table
Imp userid=ats/ats@127.0.0.1/ats fromuser=ats touser=ats file=e:\exam.dmp log=e:\imexam.log

Export table
Exp userid=4icc/123456@10.70.44.33/atstest file=e:\m.dmp Log=e:\exam.log tables=m_account
Import Table
Imp userid=ats/ats@127.0.0.1/ats FROMUSER=PICC touser=ats file=e:\s3.dmp log=e:\imexam.log

If the dmp,10g is exported from 11G, it cannot be imported.