Oracle OCP Certification Exam Bank Analysis 052-4

Source: Internet
Author: User

QUESTION 4


In which of the scenario would the DBA perform recovery? (Choose all, apply.)

A. The alert log file is corrupted

B. A Tablespace is accidentally dropped

C. One of the redo log members is corrupted

D. A database user terminates the session abnormally

E. The hard disk on which the data files are stored is corrupted


Correct Answer:be


Explanation/reference:

DBAs typically perform recovery operations when media corruption occurs in the database.

A: Error, alert log corruption The database does not lose data and does not require recovery.

B: correctly, the table space is renamed in the operating system and needs to be restored, the database cannot find the data file corresponding to the tablespace.

C: Error, loss of redo member, no loss of data, no need to perform recovery operation.

D: Error, session abort does not lose data, no recovery is required, the database frees resources that the exception session occupies.

E: Correct, the disk corruption causes the data file on the disk to become corrupted and need to perform a recovery operation.

for more questions, please follow: http://ke.qq.com/cgi-bin/courseDetail?course_id=36323


Oracle OCP Certification Exam Bank Analysis 052-4

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.