2013年
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orale 核心层(Kernel Layers)
读《Oracle8i Internal Services for Waits, Latches, Locks,and Memory》记录一下oracle中打的层次图 对照Tanel Poder Oracle internal process flow 更加深刻的理解
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Chapter 3 latches--01
LatchesThere are numerous data structures in Oracle's System Global Area (SGA) that need to beaccessed concurrently by many different database processes. It is essential that only one process be able ...
