Program Global Area (PGA) The Program Global Area (PGA) is a type of memory in an Oracle database that is specific to an individual operating process or thread. It is not shared with other processes or threads on the system. Unlike the System Global Area (SGA), which is shared among multiple processes, the PGA is […]

System Global Area (SGA)

The System Global Area (SGA) is a vital component of Oracle Database’s memory architecture, serving as a read/write memory area that, together with Oracle’s background processes, forms the foundation of a database instance. Here are key points about the SGA: The most important SGA components are the following: The Database Buffer Cache is a crucial […]