XMLIndex is not getting selected by the Optimizer
(Doc ID 2322441.1)
Last updated on NOVEMBER 18, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
An XMLIndex has been created to optimize a query using XMLExists, but the optimizer does not select use of the index. The execution plan instead shows "COLLECTION ITERATOR PICKLER FETCH".
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