You should back up your data before changing or deleting data.
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A. B.A.
Explanation/Reference: It is a best practice to backup your data so if there is an unexpected result, you can always roll back the changes.
The statement "You should back up your data before changing or deleting data" is generally true. Backing up your data means making a copy of it before making any changes or deleting it, so that you can restore it later if needed.
There are several reasons why it is important to back up your data before making changes or deletions:
Accidental deletion: It is possible to accidentally delete important data while making changes or performing maintenance tasks. Having a backup ensures that you can recover the data if this happens.
System errors: There is always a risk of system errors or data corruption when making changes to a database or system. A backup provides a safety net to restore the data if something goes wrong.
Compliance requirements: Many industries and organizations have strict compliance requirements that mandate data backups to ensure data integrity and security.
Disaster recovery: Natural disasters, cyber attacks, or other unexpected events can cause data loss. Having a backup can help restore data after such events.
Overall, backing up data before making changes or deleting it is a good practice to ensure that data is protected and can be restored if needed. Therefore, the answer to the given question is "True".