[amrutha_]

CSVs seem like a great idea until they aren't. They're simple, portable, easy to open. No setup, no database, no friction. Just raw data, right there. That’s why people love them. But the moment they get big—really big—everything breaks. Excel crashes. Pandas eats all your RAM. Even VS Code freezes up. Suddenly, what was supposed to be the easiest format becomes the hardest to work with.

The problem is, CSVs don’t scale. No indexing means every search is a full scan. No structure means every query is brute force. A 5GB CSV isn’t just 5GB—it’s 15GB in RAM once it’s loaded, maybe more. If you don’t have the memory, your system starts swapping, and everything slows to a crawl. Sorting? Painful. Joins? Basically impossible. The tools we use weren’t built for this, but we keep using them anyway because, well, what else is there?