1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 21. How do I determine the time zone for the database? Answer: SELECT, DBTIMEZONE, FROM, DUAL; 22. Explain the usefulness of GLOBAL_NAMES as TRUE Answer: ...
1_ORACLE面试题及其答案(1_ORACLE interview questions and answers).doc,1_ORACLE面试题及其答案(1_ORACLE interview questions and answers) 21. How do I determine the time zone for the database? Answer: SELECT, DBTIMEZONE, FROM, DUAL; 22. Explain the usefu
These were some of the Oracle interview questions and their answers to help you pass your interview.Whether you are a fresher or an experienced professional, these questions cover basic Oracle interview questions, advanced Oracle interview questions, and Oracle technical interview questions. Preparing wi...
Oracle DBA Job Interview Questions and Answers 1 :: When using Oracle export/import what character set concerns might come up? How do you handle them? Be sure to set NLS_LANG for example to "AMERCIAN_AMERICA.WE8ISO8859P1". If your source database is US7ASCII, beware of 8-bit ...
selectjobfromempwhereename ='SCOTT';select*fromempwhereename <> ‘SCOTT' and job = (select job from emp where ename ='SCOTT'); 27.删除10号部门薪水最高的员工。 deletefromempwheredeptno=10andsal>=all(selectsalfromempwheredeptno=10);//MYSQL 不支持 ...
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模块一 SQL(DQL)l 基本SQL 查询 l 运算符与函数 l 子查询 l 连接查询 建表语句emp.sql Part I(第一天) 01. 查询员工表所有数据, 并说明使用*的缺点 答: select * from emp; 使用*的缺点有 a) 查询出了不必要的列 b) 效率上不如直接指定列名 02. 查询职位(JOB)为'PRESIDENT'的员工的工资 答: ...
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Oracle Workflow Interview Question and Answers Basic Oracle Workflow Interview Question and Answers Frequently Asked Oracle Workflow Interview Questions What is a workflow and what are the benefits of using Oracle workflow? What are the steps involved in oracle workflow?