1. Export data as a file
mysql -P port -u username -h ip -p password -e "use database ;query sql into outfile 'data.txt' FIELDS TERMINATED BY ',' enclosed by '\"' lines terminated by '\r\n'"
2. Import data as a file
mysql -P port -u username -h ip -p password -e "use database ;LOAD DATA INFILE 'data_file.txt' INTO TABLE table_name FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\"' LINES TERMINATED by'\r\n'"
3. Export the sql file
mysqldump --single-transaction -P port -u username -h ip -p password database table > table.sql
4. Import the sql file
mysql -P port -u maindata -h ip -p password -e database < table.sql.sql
or
source table.sql in mysql terminal
5. MySQL database backup using xtrabackup