This video shows you the basic concept of the incremental loading best practice - which can be used with QlikView or Qlik Sense. Companion blog, sample files and additional resources are available here: https://community.qlik.com/t5/Qlik-Design-Blog/Overview-of-Qlik-Incremental-Loading/ba-p/1466780?author_id=12989&collapse_discussion=true&filter=authorId&q=Basic%20incremental%20load&search_type=thread