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Architecture
Memory Area 1
2
3
Writing of Modied DataFigure
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DBWR Concepts
Logging of ModicationsFigure
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Redo ntries
!ndo ntries
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Log "#itch
$mportant info%
Contro& Fi&es%
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Chec'points
Data(ase Reco)ery
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Archi)ing
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*ther B+D ,rocess
*rac&e Directories and Fi&es on "A, "ystemsFigure
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#or'process connection to *rac&e
-ote
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-et "er)ices
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Data(ase Administration .oo&s
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Administrating *rac&e $nstances
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.he fo&&o#ing shutdo#n modes are possi(&e%
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!nit 2%
Bac'up/ Restore/ and Reco)ery
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*rac&e $nstance0 B+D ,rocess Memory Area
"+A Data(ase (uer cache
"hared ,oo&
"hared "L Area
Ro# Cache
Redo Log Buer
Command% "ho# sga
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