Explain the difference between a hot backup and a cold
backup and the benefits associated with each?
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Answer Posted / shabbeer.ahmad
A hot backup is basically taking a backup of the database
while it is still up and running and it must be in archive
log mode. A cold backup is taking a backup of the database
while it is shut down and does not require being in archive
log mode. The benefit of taking a hot backup is that the
database is still available for use while the backup is
occurring and you can recover the database to any point in
time. The benefit of taking a cold backup is that it is
typically easier to administer the backup and recovery
process. In addition, since you are taking cold backups the
database does not require being in archive log mode and thus
there will be a slight performance gain as the database is
not cutting archive logs to disk.
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