DA0-002 Data Concepts and Environments Practice Question
A data engineer is designing a data pipeline where raw data is loaded into a cloud data warehouse (Snowflake) and then transformed using SQL. This approach is called:
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
✓
ELT
ELT (Extract, Load, Transform) loads raw data first, then transforms it within the warehouse, which is suitable for modern cloud warehouses.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
ELT
Why this is correct
ELT loads raw data, then transforms in the warehouse.
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ETL
Why it's wrong here
ETL transforms before loading.
- ✗
Data migration
Why it's wrong here
Migration moves data between systems.
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Data wrangling
Why it's wrong here
Data wrangling is the process of cleaning and transforming data.
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