Databricks Certified Data Engineer - Associate
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A data engineer wants to create a data entity from a couple of tables. The data entity must be used by other data engineers in other sessions. It also must be saved to a physical location.
Which of the following data entities should the data engineer create?
Real Exam
Community
KKeng
0
A
Table
B
Function
C
View
D
Temporary view
Explanation:
Explanation
The correct answer is A. Table because:
- Persistence across sessions: Tables are physically stored in a location (like DBFS, cloud storage) and can be accessed by multiple users across different sessions.
- Physical storage requirement: The question explicitly states the data entity "must be saved to a physical location" - tables are physically materialized and stored.
- Cross-session accessibility: Tables are cataloged in the metastore and can be shared among data engineers working in different sessions.
Why other options are incorrect:
- B. Function: Functions are reusable logic, not data entities created from tables.
- C. View: Views are logical abstractions over tables/queries but are not physically stored - they are computed on-demand.
- D. Temporary view: Temporary views are session-scoped and not accessible across sessions, nor are they physically stored.
In Databricks, when you need a persistent, shareable data entity that is physically stored, you create a table. This could be a managed table (stored in the metastore location) or an external table (pointing to an external storage location).
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