What is the primary purpose of a "Decision Table" in Pega?

The primary purpose of a Decision Table in Pega is to manage complex decision logic by mapping input attributes to output results. This tool allows developers to define a structured way to evaluate combinations of various input parameters and determine corresponding outputs. Decision Tables are particularly useful when multiple conditions must be evaluated, as they provide a clear and concise way to organize and visualize these conditions and outcomes in a tabular format.

In scenarios where business rules or decision-making processes involve numerous variables, using a Decision Table significantly simplifies the management of this complexity. It enhances maintainability and readability, ensuring that even non-technical users can understand and modify the decisions being implemented.

The other options relate to different concepts in Pega. For instance, visualizing the workflow of case management pertains more to flow diagrams or case stages rather than decision logic. Creating user interface layouts is handled through UI components like sections, not Decision Tables. Facilitating external database interactions involves data pages or connectors, which again is outside the scope of what a Decision Table is designed for.