> mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql

> mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > backupfile.sql

> mysqldump -hhostname -uusername -ppassword –databases databasename1 databasename2 databasename3 > multibackupfile.sql

> mysqldump --no-data --user=name --password=pwd –-databases databasename1 databasename2 databasename3 > structurebackupfile.sql

> mysqldump –all-databases > allbackupfile.sql

>mysql -hhostname -uusername -ppassword databasename < backupfile.sql