The thing is, it was never really intended as a storage format for plain data. It’s a markup language, so you’re supposed to use it for describing complex documents, like it’s used in HTML for example. It was just readily available as a library in many programming languages when not much else was, so it got abused for data storage a lot.
That’s why professionals use XML or JSON for this kind of projects and SQL for that kind of projects. And sometimes even both. It simply depends on the kind of problem to solve.
The thing is, it was never really intended as a storage format for plain data. It’s a markup language, so you’re supposed to use it for describing complex documents, like it’s used in HTML for example. It was just readily available as a library in many programming languages when not much else was, so it got abused for data storage a lot.
That’s why professionals use XML or JSON for this kind of projects and SQL for that kind of projects. And sometimes even both. It simply depends on the kind of problem to solve.