Redo log

In the Oracle RDBMS environment, redo logs comprise files in a proprietary ... online redo logs ("ORL" or "redo logs" for short); archived redo logs ("archive logs ") ...

Managing Archived Redo Logs - Oracle Documentation

An archived redo log file is a copy of one of the filled members of a redo log group. It includes the redo entries and the unique log sequence number of the ...

What Is the Archived Redo Log? - Oracle Documentation

Oracle Database lets you save filled groups of redo log files to one or more offline destinations, known collectively as the archived redo log. The process of ...

What Is the Redo Log? - Oracle Documentation

If archiving is disabled (the database is in NOARCHIVELOG mode), a filled redo log file is available after the changes recorded in it have been written to the ...

Managing Archived Redo Logs - Oracle Documentation

Chapter 17, "Using Oracle Managed Files" for information about creating an archived redo log that is both created and managed by the Oracle Database server.

Archived redo logs & archivelog mode - Burleson Oracle Consulting

In ARCHIVELOG mode, the database will make copies of all online redo logs after they are filled. These copies are called archived redo logs. The archived redo ...

Why do we need to backup Oracle archive logs along with datafiles ...

No, you still need archived redo logs. An RMAN backup is not the same as a cold backup; when you restore it you need to apply all the redo ...

Archived redo logs - René Nyffenegger on Oracle

When a database is running in archive log modus, Oracle requires that online redo logs be archived before they're overwritten by a log switch. The archiving ...

Archived and redo logs - Examples -

The Oracle Database Reference, Oracle Administration, Archived and redo logs - Examples.

Oracle's Redo Log - René Nyffenegger on Oracle

Simply stated, in archive log mode, Oracle makes sure that online redo log files are not overwritten unless they have been savely archived somewhere.

Popular Q&A
Q: What is Archived Redo Log ?
A: Archived Redo Log consists of Redo Log files that have archived before being reused. Read More »
Q: What are the tradeoffs for using archived-redo-logs, and will it ...
A: Well, it is really difficult to give those parameters without seeing the applications and being a little more familar with its overall operation. So let m... Read More »
Q: Archived redo log files.
A: If you have configured your server in Archived log you have to support this mode. It is not good idea to decrease the size of the archive log - this can lead to... Read More »
Q: What Is the VMDK Redo Log?
A: Virtual Machine Snapshots. Just like a digital camera captures a moment in time as an image, you can take a snapshot of a functioning virtual machine that captu... Read More »
Q: What is the difference between archive log mode and non archive?
A: Hi, First you need to understand REDO logs. (reference: ). REDO Logs capture changes that will be processed by the database. REDO logs record changes that are m... Read More »