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Microsoft Azure Data Engineer Associate - DP-203

Microsoft Azure Data Engineer Associate - DP-203

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In the context of Azure SQL Data Warehouse, describe how you would tune a query by using indexers to improve its performance. Provide a detailed explanation of the types of indexers that can be used and how they affect the query execution plan.

Simulated



Explanation:

Analyzing query patterns and using appropriate index types tailored to the query's access patterns is a strategic approach to tuning queries. This method involves understanding the nature of the data and the operations performed by the query, and then selecting or creating indexes that optimize these operations. This tailored approach significantly improves query performance by enhancing the efficiency of data retrieval and manipulation.

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