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IF: ORA-1555 Error During Export (on non LOB Data) (Doc ID 1950978.1)

Last updated on JANUARY 08, 2025

Applies to:

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 Exadata Express Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

ORA-1555 error reported during export of a large table. Eg:

ORA-31693: Table data object "XXX"."ABC" failed to load/unload and is being skipped due to error:
ORA-02354: error in exporting/importing data
ORA-01555: snapshot too old: rollback segment number 154 with name "_SYSSMU154_1434655980$" too small

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 
Related Issues:
References

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