Answer Posted / cspriyadba
Oracle Instance constits of on
Memory Structure and Background Process
* Memory structure constists of SGA and PGA
=>SGA constists of
1)Shared Pool
2)Database Buffer Cache
3)Redo log Buffer
4)Java Pool
5)Large Pool
=>PGA constists of
1)Server Process
2)User Process
* Background Process constists of
1)PMON
2)SMON
3)DBWR
4)LGWR
5)CKPT
6)Others
and optional Bg process also there
RECO,QMNn,ARCn,LCKn,LMDn,Snnn,Pnnn etc..
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