ORA-55510: Mining could not start

曾春华

ORA-55510: Mining could not start

Cause: Mining could not start for thefollowing reasons.

1. A logminer session was processing

2. The database was not mounted or not opened for readand write

3. Minimum supplemental logging was not enabled

4. Archiving was not enabled

Action: Fix the mentioned problems andtry again. Note that if you enable

supplemental logging now, you will not be able to removea transaction that has

committed without supplemental logging.