Tableau — Hard In Tableau, what is a Scaffold or Padding technique used for in data visualization? A A method to add whitespace padding around dashboard components for aesthetic purposes B A technique where a complete set of dimension values (dates, categories) is created separately and joined or blended with the actual data to ensure all dimension members appear in the view even when no data exists for them, preventing gaps in charts C A performance optimization technique for large datasets using pre-aggregated data tables D A way to add background images to maps in Tableau Show explanation
