Which database design is commonly used in OLAP systems?

2025

Which database design is commonly used in OLAP systems?

  1. A.

    ER-based

  2. B.

    Relational model

  3. C.

    Star/snowflake schema

  4. D.

    Hierarchical model

Attempted by 4 students.

Show answer & explanation

Correct answer: C

OLAP systems utilize dimensional modeling, such as star or snowflake schemas, to optimize analytical queries. These structures separate fact and dimension tables for efficient read operations compared to normalized transactional models.

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