What is SGA? How it is different from Ver 6.0 and Ver 7.0?

 The  System   Global  Area  in  a  Oracle database is the area in memory to facilitates  the  transfer  of information between users. It holds the most recently requested structural information between users. It holds the most recently requested structural information about the database. The structure is Database buffers, Dictionary cache, Redo Log Buffer and Shared SQL pool (ver 7.0 only) area.

 

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