Oracle System Architecture Question: Download Questions PDF
What is PGA?
Answer:
Program Global Area. The PGA is a memory region containing data and control information for a single process (server or background). One PGA is allocated for each server process; the PGA is exclusive to that server process and is read and written only by Oracle code acting on behalf of that process. A PGA is allocated by Oracle when a user connects to an Oracle database and a session is created
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