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![](https://fry.gs/pictrs/image/c6832070-8625-4688-b9e5-5d519541e092.png)
If I understood your question correctly,
A database is a base for your data, its where your data lives.
A data is the most important thing for most modern applications. You have an account in Lemmy. You have made posts and comments. All that post texts, images, etc has to be recorded somewhere in the server. Thats what a database does.
Untill one day Ubuntu will start incorporating AI in GNOME search bar
How much are you willing to bet this wont happen with Canonical’s Ubuntu?