This process reads log files during rollback, restart recovery and roll forward.
此进程在回滚、重启恢复和前滚期间读取日志文件。
2
First, there was what Dad called the 'logroll' in which he would roll back and forth on the living room carpet while we kids had to jump over him without getting nabbed.
首先，是爸爸叫做“滚原木”的游戏，他在客厅的地毯上滚来滚去，我们会跳过他而不被捉到。
3
Continually copy over or retrieve the inactive log files from the source database and roll them forward on the target database.