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You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area （PGA）：   SORT_AREA_SIZE = 150M   HASH_AREA_SIZE = 150M   BITMAP_MERGE_AREA_SIZE = 150M   CREATE_BITMAP_AREA_SIZE = 150M   WORKAREA_SIZE_POLICY = AUTO   You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area （SGA） is currently sized at 4G.   What is the total PGA memory allocated across all database server processes？（）  
A: 10M
B: 400M
C: 600M
D: 800M

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出自：Oracle认证

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