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EXP Raises ORA-01455 During Full Database Export Using 10.2 Client (Doc ID 1296672.1)

Last updated on AUGUST 01, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 25-Sep-2013***


Running a 10.2 EXP utility against an 11.2 database fails with ORA-1455 during the export of views:

. exporting synonyms
. exporting views
EXP-00056: ORACLE error 1455 encountered
ORA-01455: converting column overflows integer datatype
EXP-00000: Export terminated unsuccessfully


The 11.2 database has been upgraded from a 10.2 release, which can be verified with:

SQL> select * from registry$history where namespace = 'UPGRADE';


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