Rashed's Way2SAPBASIS.com

hi,
i want to know, in how many ways backup can be performed? and what are they? how?
like, we can take backup by using brtools, brbackup(full backup), brarchive(archivebackup)
and also through R/3 also we can schedule by tcode db13( database calender)?
what is the importance of rman can any one explain?

Dude you really need a DBA Guide.

http://help.sap.com/saphelp_nw70ehp1/he ... ameset.htm
check above link.its very good

The most common backup types are a full backup, incremental backup and differential backup. Other backup types include synthetic full backups, mirroring, reverse incremental and continuous data protection (CDP).