Oracle architecture- background processes

Posted on June 8th, 2008 by Kamlesh Jethwa

Every running Oracle database is associated with an Oracle instance.

When a database is started on a database server, Oracle allocates a

memory area called the System Global Area (SGA) and starts one or

more Oracle processes. This combination of the SGA and the Oracle

processes is called an Oracle instance.

Oracle instance background processes
————————————

* Database Writer (DBW0 or DBWn)

* Log Writer (LGWR)

* Checkpoint (CKPT)

* System Monitor (SMON)

* Process Monitor (PMON)

* Archiver (ARCn)

* Recoverer (RECO)


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Filed under: ERP, SQL

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