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In-Memory Aggregation a New Feature in 12.1.0.2 (Doc ID 1935305.1)

Last updated on AUGUST 14, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Purpose

 This article provides essential information about In-Memory Aggregation, a new feature introduced in 12.1.0.2.

Details

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In this Document
Purpose
Details
 What is In-Memory Aggregation (IMA)
 Licensing
 Monitor feature usage
 Technical pre-requisites for In-Memory Aggregation to take place
 Parameters that affect In-Memory Aggregation
 Hints to control In-Memory Aggregation
 How to see that In-Memory Aggregation is taking place during execution of a query
 Parallelism and In-Memory Aggregation
 Tracing why In-Memory Aggregation did or did not take place
 Other resources
References

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