OCP认证052考试最新题库及答案整理-16

16、Which two events always request the LGWR to write? A) when LGWR is notified by a server process that performs a Commit or ROLLBACK B) When PMON restarts a server process C) when DBWn writes dirty buffers D) when a log switch occurs E) when a checkpoint occurs Answer:CD 北京CUUG整理，转载请注明，OCP讨论群：569933648/836361015