database link都正常。 错误号的意思是： ORA-02055: distributed update operation failed; rollback required Cause: A failure during a distributed update operation may not have rolled back all effects of the operation. Since some sites may be inconsistent with others, the transaction must roll back to a savepoint or roll back entirely. Action: Roll back to a savepoint or roll back the entire transaction and resubmit the rolled-back statements.
错误号的意思是：
ORA-02055: distributed update operation failed; rollback required
Cause: A failure during a distributed update operation may not have rolled back all effects of the operation. Since some sites may be inconsistent with others, the transaction must roll back to a savepoint or roll back entirely. Action: Roll back to a savepoint or roll back the entire transaction and resubmit the rolled-back statements.