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Why index became invalid? (Doc ID 1576700.1)

Last updated on DECEMBER 30, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Goal

Indexes should have status as VALID to become usable by queries however sometimes it may have status as UNUSABLE and this note explains those causes.
 

Solution

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In this Document
Goal
Solution


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