saradba
Answered On : Aug 21st, 2006
smon,pmon,lgwr,dbwr,ckpt,archvr
hey, dont ask like this
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manish hoiyani
Answered On : Sep 14th, 2006
pmon, smon, checkpoint, dbwr, lgwr
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saravanan.a.s.
Answered On : Oct 8th, 2006
the answer is
the mandatory background process for 9i is 5.
they are SMON,PMON,CKPT,DBWR,LGWR.
for 10g it is 6.
they are SMON,PMON,CKPT,DBWR,LGWR,MMON
OTHER PROCESSES ARE
reco,arch,mman...
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Mohammed Abdul Afroze
Answered On : Mar 25th, 2007
Answer
The Background process related to Oracle Architecture are as follows:
1.DBWR(DATABASE WRITER)
2.LGWR(LOG WRITER)
3.SMON(SYSTEM MONITOR)
4.PMON(PROCESS MONITOR)
5.CKPT(CHECK POINT)
6.SERVER
7CJQ(CO ORDINATOR JOB QUEUE PROCESSES)
8.RECOVER
9.DISPATCHER
10.ARCHIVER
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Mohammed Abdul Afroze
Answered On : Sep 19th, 2007
The Five Mandatory Background Processes in Oracle Architecture are as Follows:
1.Database Writer(DBWR)
2.Log Writer(LGWR)
3.Check Point(CKPT)
4.System Monitor(SMON)
5.Processes Monitor(PMON)
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Background process performs I/O operations in Oracle,they are used as medium between logical files and physical files
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The background process in the Oracle which will dump the system and sysaux data files in to their respective directories before going to start the database. There are mandatory and optional backgroung process are presented in the oracle 10g. The mandatory BP'S are DBWR, LGWR, PMON, SMON, CKPT and RECOVERER.
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The Background process related to Oracle Architecture are as follows:
1.DBWR(DATABASE WRITER)
2.LGWR(LOG WRITER)
3.SMON(SYSTEM MONITOR)
4.PMON(PROCESS MONITOR)
5.CKPT(CHECK POINT)
6.RVWR(Recovery Writer)
7.MMAN(Memory Manager)
8.RECOVERER(Reco)
9.MMNL(Manageability Monitor Light)
10.ARCHIVER(Arch)
11.MMON(Manageability Monitor)
12.CTWR(Change Track Writer)
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A background process maintain relationship between memory structure and physical structure of Oracle server.
Started when Oracle instance is started.
Consist of 5 mandatory and some optional background processes in Oracle 9i and cannot say about number of mandatory processes in the further versions.
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