Backup MySQL Database

Use mysqldump to backup your MySQL db, you can find it in MySQL Server bin folder.
Syntax:
$mysqldump --opt -u [uname] -p[pass] [dbname] > [backupfile.sql]

For example, the following command backup vtigerCRM database:
C:\Program Files\MySQL\MySQL Server 5.0\bin>mysqldump -u root -p vtigercrm510 >vtigercrm510bk.sql