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 11.2.0.3 to 12.1.0.1. Demos are being upgraded to reflect the new Container paradigm as well as EBR (Edition Based Redefinition) and may contain references to CDBs, PDBs, and other objects you may not be familiar with such as CDB_OBJECTS_AE: Welcome to 12c.
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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