Which of the following is a primary benefit of using a 'Data Lake' compared to a 'Data Warehouse'?

Answer options:

Data Lakes only store structured data.

Data Lakes can store raw, unstructured data (like images and logs) without pre-processing.

Data Lakes are faster for standard SQL reporting.

Data Lakes enforce strict schema-on-write.

How to approach this question

Differentiate Lake (Raw/Messy) vs Warehouse (Structured/Clean).

Full Answer

B.Data Lakes can store raw, unstructured data (like images and logs) without pre-processing.✓ Correct

A Data Lake is a repository that holds a vast amount of raw data in its native format (structured, semi-structured, and unstructured). A Data Warehouse typically stores structured, processed data optimized for reporting.

Common mistakes

Thinking Data Lakes are more organized than Warehouses.

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