Index on Nullable Column is Not Used in Query with ORDER BY Clause on That Column
Last updated on SEPTEMBER 15, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 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.
An index on a nullable column is not used in the query with an ORDER BY clause on that column.
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