When creating a complex query, what advantage does the SQL tool offer?

The SQL tool in OutSystems offers the advantage of enabling developers to write nested queries and utilize advanced filtering, which provides greater flexibility and power when querying data. This capability allows for more complex data interactions and the ability to combine multiple data sources, enhancing the capability to retrieve specific datasets based on intricate conditions. Nested queries enable layering of requirements, resulting in more efficient data retrieval aligned with the specific needs of the application.

The ability to apply advanced filtering further refines the results, allowing developers to specify detailed conditions on the data retrieved, thus optimizing the performance and accuracy of data operations. This feature is essential in scenarios where simple queries fall short, catering to the unique requirements of diverse applications and user interactions.

In contrast, the other options do not accurately reflect the capabilities or purpose of the SQL tool within OutSystems. For instance, while query optimization is crucial, it is not true that the tool automatically optimizes all queries. Additionally, the SQL tool does allow for writing code, which offers developers flexibility rather than restricting them to a graphical interface alone. Lastly, parameters are a vital aspect of query safety and performance; thus, preventing their use would be counterproductive to ensuring secure and efficient data handling.