你好。这个是回滚段太小，之后又大量事务重用回滚段，导致延迟块清除的数据被覆盖 短期解决：alter system set "_offline_rollback_segments"='_SYSSMU8_1682283174$' scope=spfile;alter system set "_corrupted_rollback_segments"='_SYSSMU8_1682283174$' scope=spfile;长期解决 增加undo_tableapace的...
Note 1579437.1Troubleshooting ORA-01555/ORA-01628/ORA-30036 During Export and Import Note 1580790.1Troubleshooting ORA-01555 - Snapshot Too Old: Rollback Segment Number "String" With Name "String" Too Small Note 1268663.1ORA-1555 ORA-8180 During DataPump Export (expdp) With Parameter FLASHBACK_TIME...
你好。这个是回滚段太小，之后又大量事务重用回滚段，导致延迟块清除的数据被覆盖 短期解决：alter system set "_offline_rollback_segments"='_SYSSMU8_1682283174$' scope=spfile;alter system set "_corrupted_rollback_segments"='_SYSSMU8_1682283174$' scope=spfile;长期解决 增加undo_tableapace的...