System Global Area

Hi,
Can any one please tell me about System global area.
And what is the importance of SGA in Pl/sql.Please share information if any one have sound Knowlodge in this.
Thanks,
Sanjeev.

Hello,
The System Global Area (SGA) is a group of shared memory areas dedicated to
an Oracle instance. However it is not a concept utilized by Berkeley DB, hence
this question is better suited for another forum.
Thanks,
Sandra

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