Why index became invalid?
(Doc ID 1576700.1)
Last updated on DECEMBER 30, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 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.
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.
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