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Traditional Export (EXP) of Index On Large Table Fails With Error ORA-1455 (Datatype Overflow) (Doc ID 339124.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.5 to 10.2.0.4 [Release 9.2 to 10.2]
Information in this document applies to any platform.
***Checked for relevance on 23-Oct-2013***

Symptoms

The export (EXP) of an index on a large table errors with:

...
. . exporting table MY_LARGE_TABLE
EXP-00008: ORACLE error 1455 encountered
ORA-01455: converting column overflows integer datatype
...

The errors do not reproduce if the export was done with: INDEXES=n STATISTICS=none

Cause

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