8.77 V$AUTO_IM_FEATURES

V$AUTO_IM_FEATURES describes the In-Memory Column Store performance features that are optimized by Automatic In-Memory (AIM).

Column Datatype Description

FEATURE_ID

NUMBER

Unique feature ID

DESCRIPTION

VARCHAR2(64)

Feature description. Possible values:

  • Autonomous Bloom Filter Optimization

  • Autonomous Join Groups

  • Autonomous Optimized Arithmetic

  • Autonomous Vector Optimization

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

Note:

This view is available starting with Oracle Database 23ai.