【多选题】
A PGA AGGREGATE LIMIT is a hard limit on the PGA size for any one session
B The entire PGA is located in the System Global Area(SGA)when using shared servers
C The private SQL area(UGA)is located in the System Global Area(SGA)when using shared servers
D Sorts and Hash Joins use PGA memory.
E The private SQL area(UGA)is located in the System Global Area(SGA)when using dedicated servers
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