2018年8月17日

OCP换题库了，最新052考试题库及答案整理-3

摘要： 3、Which structure can span multiple data files? A) a permanent tablespace B) a bigfile tablespace C) a temporary tablespace D) a segment E) an extent 阅读全文

posted @ 2018-08-17 09:54 alice9313 阅读(337) 评论(0) 推荐(0)

OCP换题库了，最新052考试题库及答案整理-2

摘要： 2、Which two are true about Optimizer Statistics? A) They do not persist across Instance restarts. B) They are automatically updated when DDL statement 阅读全文

posted @ 2018-08-17 09:49 alice9313 阅读(165) 评论(0) 推荐(0)

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