ORA-04934: unable to obtain the current sequence number ORACLE 报错 故障修复 远程处理
文档解释
ORA-04934: unable to obtain the current sequence number
Cause: A call to the SSN failed to return its current value. Either there are many errors occurring on the MC hardware, or the sequence number has become invalid and cannot be validated.
Action: Verify that the MC hardware is functioning properly. If it is, contact Oracle Support.
ORA-04934是由Oracle数据库引擎在获取序列号时不能升序或完成操作而产生的错误。这表明序列号的值不会加,也就是说无法获取有用的下一个值。
官方解释
常见案例
正常处理方法及步骤
1.查看当前序列并确定每次递增之后的值
2.使用ALTER SEQUENCE命令修改序列最大值
3.再次尝试获取当前序列号
4.如果失败,可能是因为创建序列时没有指定CYCLE参数,因此需要用户重建该序列,将CYCLE参数设置为Y。