Which of the following benefits is most associated with relational databases?

Relational databases are designed to handle large amounts of data and allow users to retrieve that data efficiently with complex queries. One of the key features of relational databases is their use of Structured Query Language (SQL), which provides powerful capabilities for querying data from multiple tables using various criteria, such as joins, filters, and aggregations. This enables users to gain insights and perform analyses on the data that would be much more complicated and less efficient in other database models.

The ability to support complex queries is essential for applications that require detailed reporting and data analysis, such as business intelligence systems, allowing data to be manipulated and accessed in versatile ways. This capability is a fundamental reason why relational databases are widely used in enterprise applications, as they can accommodate the advanced querying needs of organizations.

In contrast, options like increased storage costs and decreased data accessibility would not be inherent benefits of relational databases. Similarly, enhanced security measures may be a characteristic of various database systems, but it does not describe a unique advantage of relational databases as opposed to other types. Therefore, the correct choice highlights a primary strength of relational databases in effectively managing and retrieving complex datasets.