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Oracle cluster
what is a cluster and how it is used


  
Total Answers and Comments: 0 Last Update: March 13, 2008     Asked by: ajit99 
  
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SGA  and  ORACLE  background  processes constitute an ORACLE instance. (or) Combination of memory structure and background process. 
Latest Answer : A system Global Area and Oracle Background Processes together consitute an Instance. ...

The  System Global Area (SGA) is a shared memory region allocated by ORACLE that contains data and control information for one ORACLE instance. 
Latest Answer : System Global Area (SGA) is component of instance which consist shared memory & control information of the instance It consist of shared pool, database buffer cached, redo log buffer, large pool, Java pool. ...

Server  Process  handle  requests  from  connected  user  process. A server process is in charge of communicating with the user process and interacting with ORACLE carry 

A configuration for loosely coupled systems where multiple instance share a single physical database is called Parallel Server. 

DBWR - Database Writer.LGWR - Log WriterCKPT - Check PointSMON - System MonitorPMON - Process MonitorARCH - ArchiverRECO - RecoverDnnn - Dispatcher, andLCKn - LockSnnn - Server. 
Latest Answer : Mandatory Processes DBWR - Database Writer.LGWR - Log WriterCKPT - Check PointSMON - System MonitorPMON - Process Monitor Optional Process ARCH - ArchiverRECO - RecoverDnnn - Dispatcher, andLCKn - LockSnnn - Server. ...

Lock  (LCKn)  are  used for inter-instance locking when the ORACLE Parallel Server option is used. 

Latest Answer : The Oracle call interface (OCI)  The Oracle call interface is the lowest level at which client programs are intended to interact with Oracle. This interface is well documented and provides access to most of the functionality of Oracle, including ...

Latest Answer : sga stands fro system global area.. which is the part of the oracle instance(includes memory struture and background processes). for faster executon and better performance everthing comes in the sga.so sga is located in oracle instance,,, which itself ...
Read Answers (1) | Asked by : madhu

Why oracle is called kernel packagecomponents of oracle tablesql system variables local and global variables
View Question | Asked by : kavita

what is a cluster and how it is used  
View Question | Asked by : ajit99


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