database backup in sql server And backup query execute in sql server

Hi Ajay,

Please refer the below link

http://msdn.microsoft.com/en-us/library/ms187510.aspx

http://technet.microsoft.com/en-us/library/cc966495.aspx

http://www.sqlteam.com/article/backup-and-restore-in-sql-server-full-backups
Thanks