You need to perform a full offline backup because after changing the logging type, this type of backup is required in order to later be able to perform a restore to point in time.
您需要执行完全离线备份，因为在更改日志记录类型后，为了以后能执行时间点恢复，需要这种类型的备份。
2
We show existence results for multiple sign-changing solution for third-order two- point boundary value problems by using the fixed point index and the topologic degree theory.