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: ...
Oracle uses PL/SQL, which is an extension of SQL. PL/SQL generates more potent SQL queries by fusing the processing power of procedural languages with SQL's data manipulation capabilities. It tells the compiler what to do using SQL and how to do it using a procedural method. 11) What is...
13.什么是存储过程,优点是什么? 存储过程就像我们编程语言中的函数一样,封装了我们的代码(PLSQL、T-SQL)。存储过程的优点: 能够将代码封装起来保存在数据库之中让编程语言进行调用存储过程是一个预编译的代码块,执行效率比较高一个存储过程替代大量T_SQL语句 ,可以降低网络通信量,提高通信速率 14.什么是三范式 第...
Design & create a Workflow using Oracle Workflow Builder starts the Oracle Workflow process from pl/SQL integrate Oracle Workflow with pl/SQL for validation and DML etc. build Oracle Workflow Notifications attach roles/people to notifications in Oracle Workflow. Explore-Oracle PL SQL Interview Questio...
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Oracle APEX interview questions and answers – finding the right ones can be a challenge. Source: Tumisu, Pixabay. The best thing you can do to overcome this hurdle – no matter which side you’re currently sitting on – is to come prepared. And a great way to prepare yourself is to ...
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