Question 439 of 760
DP-203 Design and implement data storage Practice Question
Which TWO are valid methods to load data into Azure Synapse Analytics dedicated SQL pool?
⚠ Common exam trap
Candidates often confuse BULK INSERT (which is SQL Server-specific) with the COPY statement (which is Synapse-specific), or they mistakenly think Azure Data Factory is a direct loading method rather than an orchestration tool.
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
✓
PolyBase
PolyBase is a valid method for loading data into Azure Synapse Analytics dedicated SQL pool because it uses the T-SQL language to access and combine data from external sources like Azure Blob Storage or Azure Data Lake Store without needing to move the data first. The COPY statement is also valid as it provides a high-throughput, flexible ingestion mechanism that supports various file formats and error handling options directly via T-SQL.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
BCp utility
Why it's wrong here
For SQL Server, not Synapse.
- ✗
Azure Data Factory Copy Activity
Why it's wrong here
Orchestration tool, not a direct load method.
- ✓
PolyBase
Why this is correct
Loads from Azure Storage.
- ✗
BULK INSERT
Why it's wrong here
Not supported in Synapse dedicated SQL pool.
- ✓
COPY statement
Why this is correct
Fast-loading option.
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 |
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Last reviewed: Jun 24, 2026
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