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$P Table is Not Being Used for Leading Single Wildcard Search Queries, Affecting Performance (Doc ID 1370538.1)

Last updated on JANUARY 06, 2020

Applies to:

Oracle Text - Version and later
Information in this document applies to any platform.


A search with a leading underscore wildcard like "_R" is not optimized by neither the substring nor prefix indexing attributes and following statement is seen in sql trace file.

This has an impact on the performance of such queries.


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