What is a benefit of using queries in Appian?

Using queries in Appian significantly enhances data retrieval capabilities, making option C the right choice. Queries allow developers to efficiently access and filter data stored in various data sources, enabling them to retrieve exactly the information needed for tasks or applications. This is particularly important in applications where real-time data access and performance are critical, as queries are optimized to provide quick responses to data requests.

Queries also enable developers to aggregate, sort, and manipulate data through sophisticated means like filtering criteria, ensuring that the data returned meets the specific requirements of the application. This level of tailored data access improves overall application performance and user experience, as end-users receive relevant information without unnecessary delays or processing overhead.

In contrast, while improved visual presentation, real-time data manipulation, and reduced data management can provide benefits in certain contexts, they do not specifically highlight the primary strength of queries within the Appian environment, which is centered around the effective and efficient retrieval of data. Therefore, the enhancement of data retrieval capabilities stands out as the core advantage of utilizing queries in Appian.