Index on Nullable Column is Not Used in Query with ORDER BY Clause on That Column (Doc ID 418708.1)

Last updated on SEPTEMBER 15, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 10.2.0.2 [Release 9.2 to 10.2]
Oracle Database - Standard Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.

Symptoms

An index on a nullable column is not used in the query with an ORDER BY clause on that column.


Cause

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