By using wireless communication technology, when wired network of grassroots station is failure, wireless backup system of meteorological data transmission can automatically switch, and transmit the data at the statio...By using wireless communication technology, when wired network of grassroots station is failure, wireless backup system of meteorological data transmission can automatically switch, and transmit the data at the station with line fault to the destination by short message way. The system has simple operation and low operation cost, and transmission fault of real-time meteorological data due to line problem at the station can be effectively decreased. At present, the system has been tested successfully and put into business operation.展开更多
为了解决数据丢失或损毁,经过对容灾技术的研究,提出基于Oracle Data Guard容灾技术的解决方案,介绍Data Guard容灾技术的工作原理和相关特性,并实现物理备份数据库的构建和角色切换。结果表明,该方案能有效地解决Oracle数据库的数据丢...为了解决数据丢失或损毁,经过对容灾技术的研究,提出基于Oracle Data Guard容灾技术的解决方案,介绍Data Guard容灾技术的工作原理和相关特性,并实现物理备份数据库的构建和角色切换。结果表明,该方案能有效地解决Oracle数据库的数据丢失或损毁问题,为数据的保护提供更有效的保障。展开更多
文摘By using wireless communication technology, when wired network of grassroots station is failure, wireless backup system of meteorological data transmission can automatically switch, and transmit the data at the station with line fault to the destination by short message way. The system has simple operation and low operation cost, and transmission fault of real-time meteorological data due to line problem at the station can be effectively decreased. At present, the system has been tested successfully and put into business operation.
文摘为了解决数据丢失或损毁,经过对容灾技术的研究,提出基于Oracle Data Guard容灾技术的解决方案,介绍Data Guard容灾技术的工作原理和相关特性,并实现物理备份数据库的构建和角色切换。结果表明,该方案能有效地解决Oracle数据库的数据丢失或损毁问题,为数据的保护提供更有效的保障。
