Export a MySQL db to file:
mysqldump -h [SERVER] -u [USER NAME] -p [DATABAS]> dumpfil.sql
-> This command exports your database and saves it as "dumpfil.sql"
Import a MySQL db from file:
mysql -h [SERVER] -u [USER NAME] -p [DATABAS] <dumpfil.sql
-> This command imports your dump file into the database, it will overwrite existing tables of the same name!