Cost-Based Join Predicate Push Down (JPPD) is not Happening In Presence Of Remote Database Link (DBLink)
(Doc ID 3000669.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 and laterInformation in this document applies to any platform.
Symptoms
Cost-Based JPPD is not happening to any of the non-mergeable views in scalar subqueries, when one of the scalar subquery has a reference to the remote Database Link (DBLink) object.
This prevents usage of index access on the join column inside the non-mergeable views.
Testcase:
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |