DA0-001 Domain 1: Data Concepts and Environments

A company needs to compare relational and dimensional models. Which option meets the requirement with the LEAST implementation effort?

Multiple choice — select one answer

Answer choices

  1. a. Tables vs documents/media
  2. b. Star/snowflake schemas for analytics
  3. c. Random CSV (not recommended for production workloads)
  4. d. Collection, processing, analysis, storage, sharing

Architectural breakdown & explanation

Models affect query performance.

Correct answer(s): b. Star/snowflake schemas for analytics

Exam domain: Domain 1: Data Concepts and Environments (25% weight on the official guide).

Official documentation & study links

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