第52题-OCP认证062考试题库2019最新考题解析

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2018年的时候，OCP 11g考试题库大更新，052 053出现了很多新题，

2019年，11g即将停考的前期，Oracle又出现了一次大变动，12c出现了很多新题，比如062 063题库大更新

OCP解析公开课时间：【每周五晚8点】

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QUESTION 52

You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege.

The CDB has several pluggable databases (PDBs) open in t he read/write mode.

There are ongoing transactions in both t he CDB and PDBs.

What happens alter issuing the SHUTDOWN TRANSACTIONAL statement?

A. The shutdown proceeds immediately.

The shutdown proceeds as soon as all transactions in t he PDBs are either committed or rolleDBAck.

B. The shutdown proceeds as soon as all transactions in t he CDB are either committed or rolleDBAck.

C. The shutdown proceeds as soon as all transactions in both t he CDB and PDBs are either committed or rolled back.

D. The statement results in an error because there are open PDBs.

Correct Answer: B

(解析：一旦 CDB 和 PDB 中的事务提交和回滚，数据库就会关闭，这道题考的是命令的生效范围。)