# 按用户导出
expdp $USER/$PWD SCHEMAS=$USER DUMPFILE=$DBNAME.dmp LOGFILE=$DBNAME.log DIRECTORY=DATA_PUMP_DIR
# 按表名导出
expdp $USER/$PWD TABLES=($TABLE1,$TABLE2) DUMPFILE=$DBNAME.dmp LOGFILE=$DBNAME.log DIRECTORY=DATA_PUMP_DIR
# 按用户导入(表覆盖)
impdp $USER/$PWD SCHEMAS=$USER DUMPFILE=$DBNAME.dmp LOGFILE=$DBNAME.log DIRECTORY=DATA_PUMP_DIR TABLE_EXISTS_ACTION=REPLACE
# 按用户导入(转换空间)
impdp $USER/$PWD SCHEMAS=$USER TRANSFORM=segment_attributes:n DUMPFILE=$DBNAME.dmp LOGFILE=$DBNAME.log DIRECTORY=DATA_PUMP_DIR TABLE_EXISTS_ACTION=REPLACE
# 导入时包权限设置