- A
Amazon RDS for Oracle as the target
Why wrong: The target is Aurora PostgreSQL, not RDS for Oracle.
- B
AWS DataSync for initial load
Why wrong: DataSync is not designed for database migration.
- C
AWS Schema Conversion Tool (SCT) for schema conversion
SCT converts Oracle schema to Aurora PostgreSQL compatible schema.
- D
Amazon Aurora PostgreSQL as the target database
Aurora PostgreSQL is the target database engine.
- E
AWS Database Migration Service (DMS) for continuous replication
DMS supports ongoing replication from Oracle to Aurora PostgreSQL.
Question 995 of 1,786
DEA-C01 Data Store Management Practice Question
This DEA-C01 practice question tests your understanding of data store management. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 company is migrating a large Oracle database to Amazon Aurora PostgreSQL. The migration must have minimal downtime and preserve data consistency. Which THREE AWS services or features should be used?
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
✓
AWS Schema Conversion Tool (SCT) for schema conversion
The AWS Schema Conversion Tool (SCT) is required to convert the source Oracle database schema (including stored procedures, functions, and data types) to a format compatible with Amazon Aurora PostgreSQL. Without SCT, the heterogeneous migration would fail due to incompatible SQL dialects and database objects.
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.
- ✗
Amazon RDS for Oracle as the target
Why it's wrong here
The target is Aurora PostgreSQL, not RDS for Oracle.
- ✗
AWS DataSync for initial load
Why it's wrong here
DataSync is not designed for database migration.
- ✓
AWS Schema Conversion Tool (SCT) for schema conversion
Why this is correct
SCT converts Oracle schema to Aurora PostgreSQL compatible schema.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Amazon Aurora PostgreSQL as the target database
Why this is correct
Aurora PostgreSQL is the target database engine.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
AWS Database Migration Service (DMS) for continuous replication
Why this is correct
DMS supports ongoing replication from Oracle to Aurora PostgreSQL.
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 often confuse AWS DataSync (a file-transfer service) with database migration tools, or mistakenly think RDS for Oracle can serve as a migration target when the question explicitly specifies Aurora PostgreSQL.
Detailed technical explanation
How to think about this question
AWS DMS uses change data capture (CDC) via Oracle LogMiner or binary logs to replicate ongoing transactions with minimal downtime, while SCT handles the heterogeneous schema conversion by mapping Oracle data types (e.g., NUMBER to PostgreSQL NUMERIC) and rewriting PL/SQL to PL/pgSQL. In a real-world scenario, SCT can also assess migration complexity and generate reports on unsupported features like Oracle-specific packages.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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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Data Store Management — study guide chapter
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FAQ
Questions learners often ask
What does this DEA-C01 question test?
Data Store Management — This question tests Data Store Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Schema Conversion Tool (SCT) for schema conversion — The AWS Schema Conversion Tool (SCT) is required to convert the source Oracle database schema (including stored procedures, functions, and data types) to a format compatible with Amazon Aurora PostgreSQL. Without SCT, the heterogeneous migration would fail due to incompatible SQL dialects and database objects.
What should I do if I get this DEA-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 24, 2026
This DEA-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DEA-C01 exam.
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