How to set memory values

hi,
i'm a beginner ,i just want to know the criteria for setting the values
viz shared_pool,pga_aggregate,hash_area.Pls help me

hi,
do you have an oracle metalink account?
PGA memory is in Note:223730.1
some other parameters are in Note:223299.1
and a very useful feature, DYNAMIC SGA Note:148495.1
rgds
alan.

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