[每日一题] 11gOCP 1z0-052 :2013-09-8 用户管理下的热备报错:ORA-01123.................................A45
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正确答案:B
做热备的前提条件是一定要开归档,可以用以下几种方式查一下有没有开归档:
方法一:
dbathink@hotmail.comBLOG: http://blog.csdn.net/guoyjoe
WEIBO:http://weibo.com/guoyJoe0218
ITPUB: http://www.itpub.net/space-uid-28460966.html
OCM: http://education.oracle.com/education/otn/YGuo.HTM