I need to backup SQL Server database.
Is it possible to do this automatically without human intervention at regular intervals? If so yes then please suggest me how to do it and I'm using SQL Server 2005 Express Edition.
You'll need this:
http://www.codeplex.com/ExpressMaint
Then you can create a .cmd file to run it and schedule it using Scheduled Tasks. I can't give you an exact command line because your setup will be different from mine, but the docs are here: