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DB2 9 vs Oracle 10g Admin. Technology - IBM

DB2 9 vs Oracle 10g Admin. Technology - IBM

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<strong>DB2</strong> Information Management메모리 구조<strong>Oracle</strong>PGAStackSpaceData BuffersSGALarge Pool(optional)Shared PoolLibrary CacheFixed SGAVariablesJava Pool (optional)Dictionary CacheParametersEventsSessionInfoEnqueuesFixed TablesControl StructuresSort AreaRedo BuffersState ObjectsStatisticsLatches• System Global Area (SGA) - 서버 프로세스간 통신, statement cache, redo log buffers, databuffer cache• Program Global Area (PGA) - 응용프로그램과 데이터베이스 간 통신• User Global Area (UGA) - user context & row-cached cursors<strong>DB2</strong> 9 <strong>vs</strong> <strong>Oracle</strong> <strong>10g</strong>© 2008 <strong>IBM</strong> Corporation 21

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