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DBMS_FLASHBACK.TRANSACTION_BACKOUT Fails With 'ORA-55510: Mining could not start' (Doc ID 2302742.1)

Last updated on OCTOBER 11, 2019

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


When running DBMS_FLASHBACK.TRANSACTION_BACKOUT, an error similar to the following is received:

SQL> BEGIN txn_backout(:st_scn); END;

ERROR at line 1:
ORA-55510: Mining could not start
ORA-06512: at "SYS.DBMS_FLASHBACK", line 37
ORA-06512: at "SYS.DBMS_FLASHBACK", line 70
ORA-06512: at "SYS.TXN_BACKOUT", line 21
ORA-06512: at line 1



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