2018年8月23日

OCP换题库了，最新052考试题库及答案整理-11

摘要： 11、Which three are true about UNDO data? A) It is used to roll back failed transactions. B) It is used to rewind a database by using FLASHBACK DATABAS 阅读全文

posted @ 2018-08-23 11:09 alice9313 阅读(119) 评论(0) 推荐(0)

OCP换题库了，最新052考试题库及答案整理-10

摘要： 10、Which two are true about consistent database backups? A) They can only be taken when a RECOVERY CATALOG is used. B) They can only be taken if the d 阅读全文

posted @ 2018-08-23 10:52 alice9313 阅读(105) 评论(0) 推荐(0)

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