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Question

What is the first principle to consider when choosing primary keys for dimension tables?

a.

Maintain built-in meanings in keys

b.

Avoid using surrogate keys

c.

Avoid using production system keys

d.

Prioritize query performance

Answer: (c).Avoid using production system keys Explanation:The first principle is to avoid using production system keys as primary keys for dimension tables.

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Q. What is the first principle to consider when choosing primary keys for dimension tables?

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