ORA-01555
snapshot too old: rollback segment number string with name "string" too small
Cause
rollback records needed by a reader for consistent read are overwritten by other writers
Action
If in Automatic Undo Management mode, increase undo_retention setting. Otherwise, use larger rollback segments
ORA-01555
snapshot too old: rollback segment number string with name "string" too small
Cause
rollback records needed by a reader for consistent read are overwritten by other writers
Action
If in Automatic Undo Management mode, increase undo_retention setting. Otherwise, use larger rollback segments
ORA-01555
snapshot too old: rollback segment number string with name "string" too small
Cause
rollback records needed by a reader for consistent read are overwritten by other writers
Action
If in Automatic Undo Management mode, increase undo_retention setting. Otherwise, use larger rollback segments
