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>> Valid DS0-001 Exam Question <<
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NEW QUESTION # 18
Which of the following is a potential issue raised by enterprise database users?
Answer: A
Explanation:
A potential issue raised by enterprise database users is the need for concurrent access and multiuser updates. Concurrent access means that multiple users can access the same data at the same time, while multiuser updates mean that multiple users can modify the same data at the same time. These features are essential for enterprise database users who need to share and collaborate on data in real time. However, they also pose challenges such as maintaining data consistency, preventing conflicts or errors, and ensuring transaction isolation and durability. The other options are either not issues or not specific to enterprise database users. For example, the need for multiple views or windows into the same database may be a preference or a convenience, but not an issue; the need to manage long transactions may be a challenge for any database user, not just enterprise ones; the need to manually transfer records to paper may be an outdated or inefficient practice, but not an issue.
NEW QUESTION # 19
An account manager, who had employee ID number 0012, resigned from an organization. The account manager's view privileges need to be removed from the customer table. Which of the following commands would be the best option for the organization's database administrator to use to accomplish this task?
REVOKE SELECT
Answer: A
Explanation:
The REVOKE SELECT command removes the user's (employee ID 0012) privilege to view (SELECT) data in the customer table, ensuring appropriate access control.
NEW QUESTION # 20
A database administrator needs to ensure database backups are occurring on a daily basis and at scheduled times. Which of the following actions should the administrator take?
Answer: A
Explanation:
The action that the administrator should take is to review the server logs for entries. Server logs are files that record the events and activities that occur on a server, such as database backups, errors, warnings, or failures. By reviewing the server logs, the administrator can verify that the database backups are occurring on a daily basis and at scheduled times, and also identify any issues or anomalies that may affect the backup process or the backup quality. The other options are either not relevant or not sufficient for this task. For example, querying the database to observe entries may not show the backup status or frequency, checking the database schema may not reflect the backup schedule or policy, and reviewing the backup media may not indicate the backup time or duration. Reference: CompTIA DataSys+ Course Outline, Domain 5.0 Business Continuity, Objective 5.2 Given a scenario, implement backup and restoration of database management systems.
NEW QUESTION # 21
A business wants to be notified when new clients are added to the client list that is stored in the client table. Which of the following SQL statements should the database administrator use to perform this task?
Answer: C
Explanation:
A trigger automatically executes a specified action, such as sending a notification, in response to events like inserting new clients into a table.
NEW QUESTION # 22
Which of the following is a best practice during the backup process?
Answer: A
Explanation:
Adhering to documentation policies ensures that backups are performed consistently, accurately, and can be traced or restored correctly when needed, which is a best practice in database management.
NEW QUESTION # 23
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