Saturday, 20 June 2009

Backup and Recovery Q004

How will offline physical backups affect your database?

a. It will increase disk space requirements.
b. The backups will not be valid.
c. It will increase recovery time from a media failure.


Answer A: A physical backup copies each database file to the target backup location. The
number of files involved in the copy operation can affect disk space. Aswer b is not correct
because offline physical backups are valid backups unless testing indicates that they are not
valid. Answer c is incorrect because offline backups do not increase recovery time from a
media failure. Answer d is incorrect becase offline physical backups are easier to manage
than online backups.

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