Description of the illustration cncpt325.eps

This graphic represents an instance as a square. Inside the square is another square labeled System Global Area. The SGA holds the Shared Pool (which holds the Library Cache and Data Dictionary Cache), the Database Buffer Cache, the Redo Log Buffer, the Java Pool, the Streams Pool, and the Large Pool. Below the SGA is a row of background processes, each in its own box: PMON, SMON, DBWn, LGWR, CKPT, and Others.