[每日一题] 11gOCP 1z0-052 :2013-09-3 Because of frequent checkpoints...........................A30
转载请注明出处:http://blog.csdn.net/guoyjoe/article/details/11022433正确答案:BC 这里我就偷一下懒了,引用http://www.itpub.net/thread-1813872-1-1.htmlitpub7楼一位兄弟的解释 我个人认为是这样的:checkpoint过程1、checkpoint触发条件,记录rba,rba包括cachelowrb