오라클 DBMS 구조

목차

Oracle DBMS 구조

 

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Databse

• Datafiles
• Control files
• Redo Log files (Transaction log files)

Instance

• SGA
  • Shared Area
    • Library Cache
    • Dictionary Cache
  • Data Buffer Cache
  • Redo Log Buffer
• PMON
  • User process가 실패할 경우 프로세스 Recovery 수행
• SMON
• DBWR
• LGWR (log writer)
• CKPT (check point)