Microsoft MB-500 Microsoft Dynamics 365: Finance and Operations Apps Developer 06 31Oct2024 - Practice Quiz

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Question 1 of 30

In a Dynamics 365 Finance and Operations environment, a developer is tasked with optimizing the performance of a query that retrieves customer records from a large database. The current query is slow due to the absence of proper indexing. The developer considers implementing a composite index on the `CustomerID` and `LastName` fields. What impact would this composite index have on the performance of the query, and what additional considerations should the developer keep in mind regarding indexing strategy?

The composite index will significantly improve query performance by reducing the number of rows scanned, but the developer must also consider the overhead of maintaining the index during data modifications.

The composite index will have no effect on performance since the query does not filter on `LastName`.

The composite index will slow down the query performance due to increased complexity in the index structure.

The composite index will improve performance only if the `CustomerID` field is unique.

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