【2019年8月】OCP 071认证考试最新版本的考试原题-第24题

Choose three.

Which three statements are true about GLOBAL TEMPORARY TABLES?

A) A GLOBAL TEMPORARY TABLE cannot have PUBLIC SYNONYM.

B) A GLOBAL TEMPORARY TABLE can have multiple indexes

C) A GLOBAL TEMPORARY TABLE can be referenced in the defining query of a view.

D) Data Manipulation Language (DML) on GLOBAL TEMPORARY TABLES generates no REDO.

E) A GLOBAL TEMPORARY TABLE can have only one index.

F) A tigger can be created on a GLOBAL TEMPORARY TABLE

Answer：BCD

(解析：全局临时表跟普通表一样，可以创建索引、视图、触发器等等，dml 操作同样也会产生 redo。临时表创建的目的就是为了测试，如果很多操作不支持，那就失去了测试的意义。)

原文地址：https://blog.51cto.com/13854012/2448109

时间： 2024-11-15 19:40:14

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