HOT backup database 10g express edition

Dear Sir
I use oracle database 10g express edition with 3.2.1 apex.

I'm planing to db.here hot backup entire database is 24 x 7 running... fashion archive
Info

pFile, control, password file
System datafile
SYSAUX datafile
Undo tablespace file
temporary tablespace file
redo log files
application data tablespace file
application index tablespace file

for backup of the entire database HOT including apex WORKSPACE... which tablespace or files are REQUIRED for backup?

Thank you
Engr.M.K Chowdhury

Hello

To be convinced, you can do the following:

alter database begin backup;

Then, you check the backup status of your datafilles with the following query:

select file#, status
from v$backup
order by file#;

If the status is ACTIVE, this means that the data files are in backup mode, and you can copy them.

The redologs online, you can save them but this is not mandatory, because you have logs archived.

It is important to get all archived logs generated during (and after) the backup.

To do this, you can run the following right after the hot data files backup:

alter system archive log current;

It will generate a log archived that you need to include in your backup.

If you lose all your data (including the redologs online), after you restore the data files, you need to retrieve
the database. During this operation, you apply all archived logs and then you reset the redologs. It is a
incomplete recovery.

However, for the online redo logs, it is important to multiplex to another disk. So, if you lose members on
a single disk, you can perform a full restore with their copy on the second disc.

Hope this helps.
Best regards
Jean Valentine

Tags: Database

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