A company uses a 'Data Lake' architecture. What is a primary characteristic of a Data Lake compared to a Data Warehouse?

Answer options:

It stores highly structured, processed data.

It stores raw, unstructured data in its native format.

It is only used for financial transaction data.

It requires a predefined schema before data can be loaded.

How to approach this question

Warehouse = Organized shelves (Structured). Lake = Big pool of everything (Unstructured/Raw).

Full Answer

B.It stores raw, unstructured data in its native format.✓ Correct

A Data Lake is a centralized repository that allows you to store all your structured and unstructured data at any scale in its native format. A Data Warehouse requires data to be processed and structured before storage.

Common mistakes

Confusing Lake and Warehouse.

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