Every company dataset I have worked with stores history as scalar columns: founded_year INT ceo_name TEXT headquarters TEXT revenue BIGINT Every one of those is a point-in-time fact pretending to be a permanent one. The moment you need to answer "who was in charge when this happened", the schema has already thrown the answer away. The failure is invisible until you query across time Take Intel. Founded 18 July 1968 by Gordon Moor...