Which statement about Dashboard Prompts is false?

The statement that repository variables cannot be used in prompt default values is false. In Oracle Analytics, repository variables can indeed be used to set default values for prompts. This capability allows users to tailor the dashboard experience based on specific dynamics of the data or other contextual insights that are defined within the repository.

Each of the other statements is accurate. For instance, prompt values can be limited to meet specific user requirements, enhancing the relevance and usability of the dashboard. Additionally, prompts can incorporate images, which can improve the visual appeal and user engagement with the dashboard. Moreover, prompts are versatile in their design, allowing developers to use multiple columns from different subject areas, facilitating complex queries and versatile data exploration. This comprehensive functionality reinforces the importance of prompts in creating interactive and user-friendly dashboards in Oracle Analytics.