Question

How does STARindex enhance query performance in the STAR schema?

a.

STARindex speeds up data loading processes.

b.

STARindex creates indexes on dimension tables for faster query processing.

c.

STARindex simplifies navigation through intermediary tables.

d.

STARindex uses complex multitable joins to accelerate query performance.

Posted under Data Warehousing and OLAP

Answer: (b).STARindex creates indexes on dimension tables for faster query processing. Explanation:STARindex creates specialized indexes on one or more foreign keys of the fact table, speeding up joins between the dimension tables and the fact table.

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