- A
BULK INSERT
Why wrong: BULK INSERT is not supported in dedicated SQL pool.
- B
Azure Data Factory Copy Activity
Why wrong: ADF Copy Activity is an orchestration tool, not a direct loading method.
- C
COPY statement
COPY is a highly recommended loading method.
- D
Azure Import/Export service
Why wrong: Import/Export is for offline data transfer.
- E
PolyBase
PolyBase is a supported method to load data from Azure Blob Storage or Data Lake Storage.
Question 272 of 851
DP-203 Design and implement data storage Practice Question
This DP-203 practice question tests your understanding of design and implement data storage. 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.
Which TWO of the following are valid methods to load data into a dedicated SQL pool in Azure Synapse Analytics?
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
✓
COPY statement
Both Azure Data Factory Copy Activity and the COPY statement are valid methods for loading data into a dedicated SQL pool. Azure Data Factory Copy Activity provides a scalable, serverless ETL capability to ingest data from various sources. The COPY statement offers high-throughput, built-in error handling, and automatic schema inference for loading from Azure Data Lake Storage Gen2 or Azure Blob Storage. PolyBase is also a valid method, but the question asks for two specific methods; while PolyBase can load data, Azure Data Factory Copy Activity is the more modern and recommended ETL approach. BULK INSERT is not supported in dedicated SQL pools, and Azure Import/Export service is used for physical data transfers, not direct loading.
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.
- ✗
BULK INSERT
Why it's wrong here
BULK INSERT is not supported in dedicated SQL pool.
- ✗
Azure Data Factory Copy Activity
Why it's wrong here
ADF Copy Activity is an orchestration tool, not a direct loading method.
- ✓
COPY statement
Why this is correct
COPY is a highly recommended loading method.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Import/Export service
Why it's wrong here
Import/Export is for offline data transfer.
- ✓
PolyBase
Why this is correct
PolyBase is a supported method to load data from Azure Blob Storage or Data Lake Storage.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates often confuse the COPY statement with BULK INSERT, assuming both are valid for dedicated SQL pools, but BULK INSERT is only supported in SQL Server and Azure SQL Database, not in Synapse dedicated SQL pools. Additionally, some may overlook Azure Data Factory Copy Activity as a valid loading method, focusing only on PolyBase and COPY.
Detailed technical explanation
How to think about this question
The COPY statement in dedicated SQL pools leverages the same distributed architecture as PolyBase but with a simplified syntax and automatic parallelism. It supports the 'REJECT' options for error handling (e.g., REJECT_TYPE = VALUE, REJECT_VALUE = 0) and can load data from multiple files in a single command using wildcard patterns. In real-world scenarios, the COPY statement is preferred over PolyBase for ad-hoc or smaller loads because it eliminates the need to create external data sources and file formats, reducing setup overhead.
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.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
What to study next
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FAQ
Questions learners often ask
What does this DP-203 question test?
Design and implement data storage — This question tests Design and implement data storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: COPY statement — Both Azure Data Factory Copy Activity and the COPY statement are valid methods for loading data into a dedicated SQL pool. Azure Data Factory Copy Activity provides a scalable, serverless ETL capability to ingest data from various sources. The COPY statement offers high-throughput, built-in error handling, and automatic schema inference for loading from Azure Data Lake Storage Gen2 or Azure Blob Storage. PolyBase is also a valid method, but the question asks for two specific methods; while PolyBase can load data, Azure Data Factory Copy Activity is the more modern and recommended ETL approach. BULK INSERT is not supported in dedicated SQL pools, and Azure Import/Export service is used for physical data transfers, not direct loading.
What should I do if I get this DP-203 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 24, 2026
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