Wrong Cost Calculations For Index (Min/Max) From 11.2.0.4 Onwards

(Doc ID 2297592.1)

Last updated on AUGUST 23, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

Optimizer chooses the inefficient Index fast full scan over Index full scan (min/max) from 11.2.0.4 onwards.

 

Changes

 After upgrading the database to 11.2.0.4 or higher.

Cause

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