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The _______ attribute is the attribute in a dimension that identifies the columns in the dimension main table that are used in foreign key relationships to the fact table.

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The _______ attribute is the attribute in a dimension that identifies the columns in the dimension main table that are used in foreign key relationships to the fact table.

(a) Dim

(b) KEY

(c) PK

(d) None of the mentioned

I have been asked this question during an interview.

This is a very interesting question from Analysis Services in section Business Intelligence of SQL Server

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The correct answer is (b) KEY

Easiest explanation: Typically, the key attribute represents the primary key column or columns in the dimension table.

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