Databases Reference
In-Depth Information
Let's configure the archivelog mode for our demo database:
This database is currently working in
No Archive
Mode
(
A
). In order for it to be
configured in Archivelog mode, first it must be shut down in a consistent mode (
B
).
This means that the shutdown mode must be normal, transactional, or immediate.
The database cannot be shut down in abort mode as the datafiles must be consistent
when Archivelog mode is enabled. Once stopped, the database must be mounted
(
C
) and the
ALTER
DATABASE
ARCHIVELOG
command issued (
D
). Afterwards
the database can be opened (
E
) and it will be in Archivelog mode (
F
) and ready for
online backups.
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