Oracle Kernel Subsystems
Version 12.1.0.1

General Information
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The Library is currently in the process of being upgraded from Oracle Database Version 12.1.0.2 to 12.2.0.1. Also important ... there are rumors on the web about SPARC and Solaris being discontinued. Welcome to the age of fake news. There is absolutely not a byte of truth to these irresponsible rumors.
Dependencies
Abbreviation Description
KA Access Layer
KC Cache Layer
KD Data Layer
KG Generic Layer
KJ Lock Manager Layer
KK Compilation Layer - Parse SQL, compile PL/SQL
KQ Query Layer
KS Services Layer
KT Transaction Layer
KV Kernel Variables (eg. x$KVIS and X$KVII)
KX Execution Layer - Bind and execute SQL and PL/SQL
KZ Security Layer - Validate privs
K2 Distributed Execution Layer - 2PC handling
NPI Network Program Interface
ODS Operating System Dependencies
OPI Oracle Program Interface
RPI Recursive Program Interface
S Operating System Dependencies

Related Topics
TKPROF
Tracing
X$ Objects

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