"Oracle系统管理简介：SGA、进程、文件详解"

The content provided is a summary of a presentation on Oracle system management. The presentation discusses the architecture of the Oracle system, focusing on the System Global Area (SGA), Processes, and Files. The System Global Area (SGA) is highlighted as a key component of the Oracle system, and it is described as a dedicated memory space used to control and store data when the Oracle system is started. The SGA is further divided into three main parts: Shared, Database Buffer Cache, and Redo Log Buffer. The Shared Pool, which consists of the Library Cache and Dictionary Cache, is also discussed as an integral part of the SGA. Overall, the presentation provides an overview of the essential components and architecture of the Oracle system, offering insights into its functioning and management.