DataPump View KU$_NTABLE_DATA_VIEW Causes Poor Plan And Slow Export (EXPDP) (Doc ID 823703.1)

Last updated on APRIL 03, 2012

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.4 to 11.1.0.6 - Release: 10.2 to 11.1
Information in this document applies to any platform.
***Checked for relevance on 03-APR-2012***

Symptoms

DataPump export is slow. The definition of DataPump views KU$_NTABLE_DATA_VIEW and KU$_NTABLE_BYTES_ALLOC_VIEW can lead to a suboptimal execution plans and poor performance of queries against the view from DataPump export.

Cause

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