Dameng 8 database export and import

[Dameng 8 database export]
cd /home/dmdba/
mkdir -p ./bak/20220802
chown -R dmdba:dinstall ./bak/20220802
su - dmdba
cd /home/dmdba/dmdbms/bin
./dexp USERID=SYSDBA/SYSDBA FILE=full.dmp log=full_dmp.log DIRECTORY=/home/dmdba/bak/20220802 FULL=Y

./dexp USERID=SYSDBA/SYSDBA FILE=schema.dmp log=schema_dmp.log DIRECTORY=/home/dmdba/bak/20220802 SCHEMAS=SYSDBA

./dexp USERID=SYSDBA/SYSDBA FILE=user.dmp log=user_dmp.log DIRECTORY=/home/dmdba/bak/20220802 OWNER=SYSDBA

./dexp USERID=SYSDBA/SYSDBA FILE=table.dmp log=table_dmp.log DIRECTORY=/home/dmdba/bak/20220802

[Dameng 8 database import]
/opt/dmdbms/bin/dimp USERID=SYSDBA/SYSDBA FILE=/tmp/20220802/full.dmp log=/tmp/20220802/full_dimp.log FULL=Y TABLE_EXISTS_ACTION=APPEND

/opt/dmdbms/bin/dimp USERID=SYSDBA/SYSDBA FILE=/tmp/20220802/schema.dmp log=/tmp/20220802/schema_dimp.log FULL=Y TABLE_EXISTS_ACTION=APPEND

/opt/dmdbms/bin/dimp USERID=SYSDBA/SYSDBA FILE=/tmp/20220802/user.dmp log=/tmp/20220802/user_dimp.log OWNER=SYSDBA TABLE_EXISTS_ACTION=APPEND

/opt/dmdbms/bin/dimp USERID=SYSDBA/SYSDBA FILE=/tmp/20220802/table.dmp log=/tmp/20220802/table_dimp.log TABLE_EXISTS_ACTION=APPEND