Question { Bajaj, 19783 }

What is mean by Program Global Area (PGA) ?

Answer

PGA: Whenever a server process is started a sertain amount
of PGA memory is automatically allocated through the server
process. This memory area is a private SGA area of the
sever process and can be assed only by oracle code that
axts on behalf of that perticular server process.Two memory
area in the PGA are private SQL area and session memory.