XMLIndex is not getting selected by the Optimizer

(Doc ID 2322441.1)

Last updated on OCTOBER 30, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 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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