My Oracle Support Banner

Using FLASHBACK_TIME Option With DataPump Import (IMPDP) Fails With Error ORA-1555 (Doc ID 467123.1)

Last updated on APRIL 03, 2020

Applies to:

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


DataPump Import fails with ORA-1555 when FLASHBACK_TIME option is used, e.g.:

#> impdp tables=<SCHEMA_NAME>.<TABLE_NAME> network_link=<DB_LINK_NAME> FLASHBACK_TIME=to_timestamp\(sysdate\) content=data_only

 raises an error stack like:

ORA-31693: Table data object "<SCHEMA_NAME>"."<TABLE_NAME>" failed to load/unload and is being skipped due to error:
ORA-01555: snapshot too old: rollback segment number  with name "" too small
ORA-02063: preceding line from <DB_LINK_NAME>




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

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