Question

What is STARjoin, and how does it contribute to query performance in the STAR schema?

a.

STARjoin is an indexing method for dimension tables in the STAR schema.

b.

STARjoin is a technique to join more than two fact tables in a single operation.

c.

STARjoin is a method for creating specialized indexes in the STAR schema.

d.

STARjoin is a high-speed, single-pass, parallelizable, multitable join in the STAR schema.

Posted under Data Warehousing and OLAP

Answer: (d).STARjoin is a high-speed, single-pass, parallelizable, multitable join in the STAR schema. Explanation:STARjoin is a high-speed, single-pass, parallelizable, multitable join in the STAR schema, which significantly improves query performance.

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Q. What is STARjoin, and how does it contribute to query performance in the STAR schema?

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