- A
Use the RDS Query Editor to run a flashback query that retrieves the deleted data.
Why wrong: RDS does not support flashback queries; you must restore from backup.
- B
Restore the DB instance from the latest manual snapshot and extract the table.
Why wrong: Manual snapshots could be used, but automated backups allow point-in-time recovery, which is faster if you need the exact time before deletion.
- C
Restore the table from the automated backup using the AWS Management Console table-level restore feature.
Why wrong: RDS does not support table-level restore from automated backups; you must restore the entire DB instance.
- D
Perform a point-in-time restore of the DB instance to a time just before the deletion, then export the table.
Point-in-time restore creates a new DB instance as it was at the specified time, allowing table extraction without affecting the original instance.
DBS-C01 Management and Operations Practice Question
This DBS-C01 practice question tests your understanding of management and operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer accidentally deleted a critical table from an Amazon RDS for MySQL DB instance. Automated backups are enabled with a retention period of 7 days. The deletion occurred 3 hours ago. What is the fastest way to restore the deleted table without affecting other tables?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Perform a point-in-time restore of the DB instance to a time just before the deletion, then export the table.
Option D is correct because point-in-time recovery (PITR) allows you to restore the entire DB instance to any second within the automated backup retention period (7 days). By restoring to a time just before the deletion, you can then extract the deleted table using mysqldump or SELECT INTO OUTFILE, and import it back into the original instance. This is the fastest method because it leverages existing automated backups without requiring a manual snapshot or waiting for a full restore of a large instance.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use the RDS Query Editor to run a flashback query that retrieves the deleted data.
Why it's wrong here
RDS does not support flashback queries; you must restore from backup.
- ✗
Restore the DB instance from the latest manual snapshot and extract the table.
Why it's wrong here
Manual snapshots could be used, but automated backups allow point-in-time recovery, which is faster if you need the exact time before deletion.
- ✗
Restore the table from the automated backup using the AWS Management Console table-level restore feature.
Why it's wrong here
RDS does not support table-level restore from automated backups; you must restore the entire DB instance.
- ✓
Perform a point-in-time restore of the DB instance to a time just before the deletion, then export the table.
Why this is correct
Point-in-time restore creates a new DB instance as it was at the specified time, allowing table extraction without affecting the original instance.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the table-level restore feature available in Amazon Aurora (via backtrack or cloning) with standard RDS MySQL, which lacks such granularity and requires a full instance restore for point-in-time recovery.
Detailed technical explanation
How to think about this question
Point-in-time recovery works by replaying binary logs (binlogs) from the last automated backup up to the specified time, effectively creating a new DB instance that reflects the state at that exact moment. For MySQL, the binlog format must be ROW or MIXED to support precise point-in-time recovery; STATEMENT-based logging can cause inconsistencies. In practice, you can use the AWS CLI command 'aws rds restore-db-instance-to-point-in-time' with the '--restore-time' parameter to target a time just before the accidental deletion.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Management and Operations — This question tests Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Perform a point-in-time restore of the DB instance to a time just before the deletion, then export the table. — Option D is correct because point-in-time recovery (PITR) allows you to restore the entire DB instance to any second within the automated backup retention period (7 days). By restoring to a time just before the deletion, you can then extract the deleted table using mysqldump or SELECT INTO OUTFILE, and import it back into the original instance. This is the fastest method because it leverages existing automated backups without requiring a manual snapshot or waiting for a full restore of a large instance.
What should I do if I get this DBS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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