Question

What is a Snowflake Schema, and why is it not generally recommended?

a.

A normalized version of the STAR schema; recommended for simplicity

b.

A denormalized version of the STAR schema; recommended for query performance

c.

A normalized version of the STAR schema; not generally recommended because it compromises query performance and simplicity for understanding

d.

A denormalized version of the STAR schema; not generally recommended for simplicity

Posted under Data Warehousing and OLAP

Answer: (c).A normalized version of the STAR schema; not generally recommended because it compromises query performance and simplicity for understanding Explanation:A Snowflake Schema is a normalized version of the STAR schema, and it is not generally recommended because it compromises query performance and simplicity for understanding.

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