What benefit does using the Required attribute provide for a nullable field in an entity?

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Using the Required attribute for a nullable field in an entity ensures that the field must have a value assigned to it. It prevents the application from setting the field to null or leaving it blank, which can cause errors or unexpected behavior. This makes the application more robust and ensures that all required data is present and valid. Additionally, using the Required attribute makes it easier to validate the model and catch any validation errors early in the development process.