standby electrical SOurce 备用电源
standby power source 备用电源
standby heat source 备用热源
standby steam source 备用汽源
The log files generated on the standby database cannot be applied on the source database.
在备用数据库上生成的日志文件不能应用于源数据库。
HADR protects against data loss by replicating data changes from a source database, called the primary, to a target database, called the standby.
HADR把数据修改从源数据库(称为主数据库)复制到目标数据库(称为备用数据库),从而防止数据丢失。
If the source database becomes unavailable (for example, if it crashes), the standby database on the target system can be activated for user access.
如果源数据库变得不可用(例如,它崩溃了),那么可以激活目标系统上的备用数据库,以供用户访问。
应用推荐