单选题
AThe backup is similar to image copy.
BThe backup contains all used data blocks.
CThe backup contains only unused data blocks.
DThe backup contains all data blocks changed since the last incremental level 1 backup.
正确答案
答案解析
略
相似试题
According to your backup strategy， you performed an incremental level 0 backup of yourdatabase. Which statement regarding this backup is true？（）
单选题查看答案
You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）
单选题查看答案
The Automatic Shared Memory Management feature is enabled for the PROD database. Currently， a lot of insert activity is taking place in the database， and the memory structures are allocated according to the database workload. As the workload reduces， you decide to perform batch jobs in the database. Which of the following initialization parameters are NOT automatically resized according to the new workload and continue to remain unchanged？（）
多选题查看答案
To allocate another role to a user, which command is most appropriate?（）
单选题查看答案
What command is used to reset a database to a previous incarnation？（）
单选题查看答案
Which trigger property applies to Key triggers? （）
单选题查看答案
What privileges must be granted to allow an account to create the recovery catalog？（）
多选题查看答案
NLS parameters can be set using the five methods listed. Put the methods in order from highest to lowest according to Oracle‟s order of precedence: （） a. Default setting b. Client environment variable c. Explicit ALTER SESSION statement d. Inside SQL function e. Server initialization parameter
单选题查看答案
Flashback Database relies on which technologies to recover to a point in time？（）
单选题查看答案