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Sql Tuning Advisor is Recommending Indexes that Already Exist When Non-default NLS Settings are Set in the Target Database (Doc ID 2719132.1)

Last updated on JANUARY 18, 2023

Applies to:

Enterprise Manager for Oracle Database - Version 13.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Running SQL Tuning advisor on a database where non-default NLS settings are used may result in the wrong indexes to be created (ie. the indexes are already created).

Example of NLS parameters being set in the target database:

----------------------------------
nls_sort='UCA0700_DUCET_S3_VN_BN_NY_EN_FN_HN_DN_MN'
nls_comp=LINGUISTIC
----------------------------------

Changes

None

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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