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Question

What is the relationship between dimension tables and the fact table in the STAR schema?

a.

One-to-one relationship

b.

Many-to-one relationship

c.

Many-to-many relationship

d.

No relationship

Posted under Data Warehousing and OLAP

Answer: (b).Many-to-one relationship Explanation:Each dimension table has a many-to-one relationship with the fact table, with the primary key of each dimension table serving as a foreign key in the fact table.

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Q. What is the relationship between dimension tables and the fact table in the STAR schema?
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