Explain the difference between ARCHIVELOG mode and
NOARCHIVELOG mode and the benefits and disadvantages to each.
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Answer Posted / niraj chilka
In Archivelog mode we can perform both hot and cold
backup.In this mode we can restore+recover the data.There is
no need to worry about the losing the data.But all it comes
about the performance then we should place the redo log
files on faster disk to avoid performance loss.Try to put
archive on faster disk and also try to commit less.If you
write PL/SQL program that commits after every DML,then your
database will work slow.
In NON archivelog mode we cant recover the database when the
instance crash.Therefore upgrade database to 11g and there
are some has new feature called fast increment
backup.Because of this would loss some instance amount of
data.In non archivelog mode the performance of database is
high.
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