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单项选择题 You have included the following parameter setting in your server parameter file：       PGA_AGGREGATE_TARGET = 800M        SORT_AREA_SIZE = 100M        HASH_AREA_SIZE = 100M        BITMAP_MERGE_AREA_SIZE = 100M        CREATE_BITMAP_AREA_SIZE = 100M   Which statement is true？（）  

A、 All the *_AREA_SIZE parameters are ignored.

B、 The Automatic PGA Memory Management feature cannot be disabled.

C、 The total Program Global Area （PGA） memory cannot be manually increased above 800M.

D、 The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.

  • A

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