Histogram Data is Corrupted After Importing Data Using Impdp or ORA-39346 is Raised While Executing Impdp
(Doc ID 2105130.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.1 to 11.2]
Information in this document applies to any platform.
Histogram data is corrupted after importing data using impdp or ORA-39346 is raised while importing data (in Oracle 12c) under following conditions:
- Table has NVARCHAR2 column or NCHAR column, and multibyte data is inserted in.
- Above columns have histogram data.
- Expdp is done in Oracle 126.96.36.199 or prior release.
Version matrix of the reproducibility for this problem:
|Source DB||Target DB||Histogram corrupted?||ORA-39346 raised?|
The error ORA-39346 was introduced in Oracle 12c to check the data.
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