A visual demonstration of database scale by imagining data printed on paper. Starting from 50 rows per page, the comparison scales up: 1,000 rows is 20 pages, 1 million rows is a 2-meter stack, 1 billion rows is 2 km tall, and Spotify's trillion daily events would stack past the International Space Station. PostgreSQL is highlighted as a tool that can query a million rows instantly, with Supabase mentioned as a platform offering PostgreSQL with real-time storage and auto-generated APIs.
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