Actors represent roles that are played by users of the system. If you have a use case in mind, you want your users to do one thi… You can use the CASE expression in any clause or statement that accepts a valid expression. 2. A use case specification has one or more flow of events or pathways association with it. Web designers, especially those unfamiliar with PHP, will typically welcome a tag-based syntax for HTML management. Yet gathering complete requirements without exhausting the project schedule and budget remains elusive for many project managers. Switch...Case can act upon enum values. As a starting point for answering these questions I like to fish for some definitions …Wikipedia:Clean Architecture book:OK, these definitions are rather high-level and nothing concrete. A use case is a useful technique for identifying, clarifying, and organizing system requirements. Meaning of Use Case. You can highlight the roles that int… Example. For eg. Have you ever been disappointed when a new software release does not include that one common feature all users want? Instead, a proper use case diagram depicts a high-level overview of the relationship between use cases, actors, and systems. Adding a software component, adding certain functionality etc. A use case is a definition of a specific business objective that the system needs to accomplish. Data discovery is a very significant layer of the business analytics process, as this layer controls access to right data.When businesses use both data virtualization and data fabric platforms together, they gain significant advantages in business analytics. For example, you can use the CASE expression in clauses such as WHERE, ORDER BY, HAVING, SELECT and statements such as SELECT, UPDATE, and DELETE. 1. We end a case with break, return or continue. In software and systems engineering, a use case is a list of actions or event steps typically defining the interactions between a role (known in the Unified Modeling Language (UML) as an actor) and a system to achieve a goal.The actor can be a human or other external system. Switch. For Withdraw Cash Use Case - Customer inserts the bank card into the ATM machine.> Main Success Scenario