热门：

可学答题网 > 问答 > OCP 11G认证考试题库

目录：标题| 题干| 答案| 搜索| 相关

问题

The database Is configured in ARCHIVE

The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）

A No transaction on the tablespace is allowed but you can perform queries.
B The tablespace will automatically come out of backup mode when the file copy is complete.
C The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
D The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

参考答案

参考解析：

分类：OCP 11G认证考试题库

1、Your database is in&

Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On&#819...

2、Your database is in ARCHIVELOG mode.

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains oneredo member. When you attempt to start th...

3、Your database is running in ARCHIVELOG

Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components a...

4、Your database is in ARCHIVELOG mode.

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start ...

5、The database is configured in ARCHIVEL

The database is configured in ARCHIVELOG mode and regular complete database backups are taken. Theloss of which two types of files may require...

6、Your database is in&

Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk&#...

编辑推荐

具有活血、行气功效的药物是（）。..

有关选择抗生素治疗流行性出血热少尿期并发肺部感染，下列不.....

下列说法正确的是______。Ⅰ、船体入级证书失效时轮机入级证.....

T68卧式锁床主轴变速手柄拉出后，主轴电动机不能冲动，试分析.....

一些高档酒店，常常将“小酒吧”设置在具有档次的客房内，下.....

煤粉与空气混合物的浓度在（）时，最容易爆炸。..