ARA-C01 · Question #150
ARA-C01 Question #150: Real Exam Question with Answer & Explanation
The correct answer is A: Search optimization service works best with a column that has a minimum of 100 K distinct values.. The Search Optimization Service is designed to accelerate the performance of queries that use filters on large tables. One of the key considerations for its effectiveness is using it with tables where the columns used in the filter conditions have a high number of distinct values
Question
What is a key consideration when setting up search optimization service for a table?
Options
- ASearch optimization service works best with a column that has a minimum of 100 K distinct values.
- BSearch optimization service can significantly improve query performance on partitioned external
- CSearch optimization service can help to optimize storage usage by compressing the data into a
- DThe table must be clustered with a key having multiple columns for effective search optimization.
Explanation
The Search Optimization Service is designed to accelerate the performance of queries that use filters on large tables. One of the key considerations for its effectiveness is using it with tables where the columns used in the filter conditions have a high number of distinct values, typically in the hundreds of thousands or more. This is because the service creates a map-reduce-like index on the column to speed up queries that use point lookups or range scans on that column. The more unique values there are, the more effective the index is at narrowing down the search
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