Which object may be used during query optimization to improve the performance for a subset of SELECT queries?（）A、MQTB、TriggerC、Read Only CursorD、Stored Procedure

题目

Which object may be used during query optimization to improve the performance for a subset of SELECT queries?（）

  • A、MQT
  • B、Trigger
  • C、Read Only Cursor
  • D、Stored Procedure
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