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- 单项选择题 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
- D
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