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

> mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > database-backup.sql

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

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

> mysqldump –all-databases > database-backup.sql

>mysql -hhostname -uusername -ppassword databasename < database-backup.sql