快照无法正常刷新?
我建立了快照,并对快照建立了触发器,把对快照表的修改写入一个表中,
刚开始都可以正常刷新,后来刷新时,总提示以下错误:
ERROR at line 1:
ORA-02055: distributed update operation failed; rollback required
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 604
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 661
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 641
ORA-06512: at line 1