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File structure layers, 427–52
file system layer, 430–37
control files, 434
tuning datafiles, 432–34
tuning redo logs and archive logs, 434–37
types of files, 431–32
logical layer, 438–52
auto extend, 442
automatic undo, 449–50
avoiding datafile header contention, 446
BIGFILE tablespaces, 445–46
block size, 442–43
dictionary managed tablespaces, 439–41
extent management, 443–44
locally managed tablespaces, 441–42
logging, 443
manual rollback, 450–52
segment space management, 444–45
temporary sort space, 446–49
networking layer, 437
Oracle Instance, 427–30
memory cache buffers, 428
processes, 428–30
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