This process requires 'mysqldump', a freeware to backup mysql databases.
Export data from MySQL DB to file
$ mysqldump -u [db_username] -p[db_password] [db_name] > [file_name]
Import data from file to MySQL DB
$ mysql -u [db_username] -p[db_password] [db_name] < [file_name]
MySQL access command
$ mysql -u [db_username] -p[db_password] -D [db_name]