My Oracle Support Banner

Missing Column Statistics After DataPump Import (IMPDP) (Doc ID 1377849.1)

Last updated on OCTOBER 08, 2019

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.2.0.1 [Release 11.1 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.

Symptoms

Missing column statistics in target database after DataPump export/import.

The following query doesn't return the same result in source and target databases:

The missing column statistics results in bad execution plans in target database.

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.