What is Oracle archive?
“Archiving” is defined as the operation in which the archiver background process copies filled online redo log files to offline destinations. An offline copy of an online redo log is called an archived redo log. You must operate the database in ARCHIVELOG mode to archive redo log files.
What is Oracle archive backup?
ARCHIVELOG mode is a mode that you can put the database in for creating a backup of all transactions that have occurred in the database so that you can recover to any point in time. NOARCHIVELOG mode is basically the absence of ARCHIVELOG mode and has the disadvantage of not being able to recover to any point in time.
What is archive storage?
A storage archive is used to preserve data that is rarely if ever accessed, often for long periods of time. It is more cost-effective than regular storage solutions and is frequently used for data related to compliance or auditing, log data, historical data, or data generated by retired applications.
Where are the archive logs in Oracle?
Automatic archiving is enabled. The archived redo log destination is D:\oracle\oradata\IDDB2\archive. The oldest filled redo log group has a sequence number of 11160.
What is archival and purging?
It is important to understand purging and archiving of database. Data Purging is the process of freeing up space in the database or of deleting obsolete data that is not required by the system. Archiving is the process of backing up the obsolete data that will be deleted during the purge process.
What is the advantage of operating in Archivelog mode?
Running the database in ARCHIVELOG mode has the following benefits: The database can be recovered from both instance and media failure. Backups can be performed while the database is open and available for use.
What does recover database do?
RECOVER DATABASE performs media recovery on all online datafiles that require redo to be applied. If all instances were cleanly shutdown, and no backups were restored, RECOVER DATABASE indicates a no recovery required error.
What are the benefits of archiving?
Why is document archiving important? It improves compliance, saves time and increases security
- stops you losing data.
- ensures only the right people can access the right documents.
- keeps documents organised and easy to access.
- saves valuable storage space in your office and on your server.
What is the purpose of archiving?
Archiving is the process of securely storing inactive information in any format (both digital and paper) that you no longer use regularly for long term retention. Such information is still important to organizations and must be retained for future reference or regulatory compliance.
How do I find archive location?
The following commands can be used to locate the Oracle archive logs:
- Issue the archive log list command: SQL> archive log list.
- Issue the show parameter command: SQL> show parameter db_recovery_file_dest.
- Query the v$archive_dest view: SQL> select dest_name, status, destination from v$archive_dest;
What is difference between archive and redo log?
Archive logs are archived redo(online) log files. In redo log files are all changes that happened to your data. If your database is in archivelog mode, than redo logs can’t be overwritten, they are archived in some other location when they are full. Redo and archive logs are used in various database recovery scenarios.
What is an example of a data archive?
Tapes, disks, flash storage, hard drives, and cloud data archiving are all possible storage mediums.
How to check archivelog mode in Oracle?
Limited Space
How to turn archiving on and off in Oracle Database?
– Applies to: Information in this document applies to any platform. – Goal. How to enable/disable database archivelog in RAC configuration? – Solution. To view full details, sign in with your My Oracle Support account. Don’t have a My Oracle Support account?
How to access the archive?
– In the EAC, go to Recipients > Mailboxes, and then select the new user mailbox from the list. – In the Exchange Management Shell, run the following command to display information about the new user mailbox and archive. – In the Exchange Management Shell, use the Test-ArchiveConnectivity cmdlet to test connectivity to the archive.
How to enable Archive Log mode in Oracle Database?
Check archivelog mode