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Question

Which option is commonly used for defining primary keys in a STAR schema fact table?

a.

A single compound primary key with additional attributes

b.

A concatenated primary key without additional attributes

c.

A generated primary key with additional attributes

d.

A generated primary key without additional attributes

Answer: (b).A concatenated primary key without additional attributes Explanation:In practice, option b is commonly used for defining primary keys in a STAR schema fact table.

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Q. Which option is commonly used for defining primary keys in a STAR schema fact table?

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