DA0-002 Data Acquisition and Preparation Practice Question
A data analyst wants to create a temporary result set that can be referenced within a single SQL statement. Which feature 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
✓
CTE
CTE (Common Table Expression) defined with WITH clause creates a temporary named result set usable within the query.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Subquery
Why it's wrong here
Subqueries are inline but not reusable.
- ✓
CTE
Why this is correct
CTE with WITH clause is the correct feature.
- ✗
Temporary table
Why it's wrong here
Temporary tables persist for session.
- ✗
Derived table
Why it's wrong here
Derived tables are subqueries in FROM.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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