IRINA

• Apr 9th, 2005

 

The basic memory structures associated with Oracle include:  
? System Global Area (SGA), which is shared by all server and background  
processes and holds the following:  
o Database buffer cache  
o Redo log buffer  
o Shared pool  
o Large pool (if configured)  
? Program Global Areas (PGA), which is private to each server and background  
process; there is one PGA for each process. The PGA holds the following:  
o Stack areas  
o Data areas