create or replace directory dmpdir as ‘H:/dir’
expdp user/pwd@ip/orcl dumpfile=01.dmp directory=dmpdir logfile=01.log tables=表名
impdp user/pwd@ip/orcl DIRECTORY=dmpdir DUMPFILE=01.DMP logfile=01.log remap_table=:tb_100665730_555 TABLE_EXISTS_ACTION=APPEND