What best describes a data page in Pega?

A data page in Pega is best described as a read-only structure encapsulating data. Data pages serve as a way to access and retrieve data efficiently without making direct database calls each time a request is made. They can source data from various external systems or databases and store it in a cached state to improve performance for frequently accessed information.

The primary focus of data pages is to provide a simplified and consistent way to work with data across the application. By treating them as read-only per request cycle, Pega ensures that they are predictable and stable for use within different cases, which contributes to better application performance and improves maintainability.

This use case aligns with the broader architecture of Pega, where the separation of data access concerns helps maintain clarity and efficiency in business processes. The concept of encapsulating data in a structured format while allowing access through defined rules supports a robust framework in which applications can thrive.

The other options do not accurately reflect the purpose and functionality of data pages within Pega. While writable data storage is an important aspect of application development, it is not the defining feature of data pages. Similarly, algorithms and visual flow design have distinct roles that do not pertain to the specific function and structure of data pages.