创建目录
create directory BACKUP_DIR as '/app1/backup';
导出
expdp system/system@skdb directory=DUMP_DIR logfile=skkp_20170324.log dumpfile=skkp_20170324.dmp schemas=skkp
导入
impdp system/MANAGER@suntx directory=BACKUP_DIR dumpfile=all.dmp logfile=all.log table_exists_action=replace TRANSFORM=SEGMENT_ATTRIBUTES:N