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2019年11月25日
【2019年8月版】OCP 071认证考试原题-第36题
摘要： Choose three Which three statements are true about sequences in a single instance Orade database? A) A sequence's unallocated cached values are lost i 阅读全文
posted @ 2019-11-25 10:17 cnblogs_5359 阅读(441) 评论(0) 推荐(0)
【2019年8月版】OCP 071认证考试原题-第35题
摘要： choose two Which two statenents are tue about the COUNT function? A) It can only be used for NUMBER data types. B) COUNT (DISTINCT inv_amt) returns th 阅读全文
posted @ 2019-11-25 09:39 cnblogs_5359 阅读(233) 评论(0) 推荐(0)