DA0-002 Data Concepts and Environments Practice Question
A data analyst needs to share a weekly sales report with the marketing team. The report includes aggregated data from the data warehouse. To simplify access, the analyst creates a virtual table that encapsulates the complex query. Which database object should the analyst create?
⚠ Common exam trap
Many candidates confuse a view with a stored procedure, thinking both can encapsulate logic, but only a view behaves as a virtual table that can be directly queried with SELECT, while a stored procedure requires explicit execution and does not return a result set in the same way.
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
✓
View
A view is a virtual table that encapsulates a complex query, allowing users to access aggregated data without needing to understand the underlying SQL. In this scenario, the analyst creates a view to simplify access to the weekly sales report, as it presents pre-defined, aggregated data from the data warehouse as if it were a table.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Trigger
Why it's wrong here
A trigger executes automatically in response to events, not for simplifying queries.
- ✓
View
Why this is correct
A view is a virtual table that simplifies querying by hiding complexity.
- ✗
Stored procedure
Why it's wrong here
A stored procedure contains executable code, but does not act as a virtual table.
- ✗
Index
Why it's wrong here
An index speeds up data retrieval but does not provide a simplified interface.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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