【优技教育】Oracle 19c OCP 082题库(第3题)- 2024年修正版
【优技教育】Oracle 19c OCP 082题库(Q 3题)- 2024年修正版考试科目:1Z0-082考试题量:90通过分数:60%考试时间:150min本文为(CUUG 原创)整理并解析,转发请注明出处,禁止抄袭及未经注明出处的转载。原文地址:http://www.cuug.com/index.php?s=/home/article/detail/id/3386.html第3题:3、Choose two.Which is true about the & and && prefixes with substitution variables?A) Both & and && can prefix a substitution variable name in queries and DML statements.B) The && prefix will not prompt for a value even if the substitution variable is not previously defined in the session.C) An && prefix to an undefined substitution variable, which is referenced multiple times in multiple queries, will prompt for a value once per query.D) & can prefix a substitution variable name only in queries.E) An & prefix to an undefined substitution variable, which is referenced twice in the same query,will prompt for a value twice.Answer:AE(解析:此题的难点在对英文的理解上,答案 C 错误的地方是多次查询,一个是相同的查询里面引用多次,每次查询都要提示一次输入,实际上不需要的。)A: &和&&都可以在查询和 DML 语句中作为替换变量名的前缀
Oracle 19c OCP认证需要到Oracle指定的WDP机构,有了培训记录之后才能考试,考试需要考2科,分别是082(60%及格)和083(57%及格),两科都通过之后才能拿到证书。证书如下:http://www.cuug.com.cn/uploadfile/2024-02/36533685624.jpg
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