This comment doesn't make sense to me at all. Editor: of course you need some way to input data, and an editor is the simplest interface. You need to generate

This comment doesn't make sense to me at all. Editor: of course you need some way to input data, and an editor is the simplest interface. You need to generate SQL to store data in SQLite and that's certainly not simpler. Locking system: the OS/filesystem can provide this just as well as a database can. Access control: same answer Checker: input needs to be validated for its intended task and SQLite won't magically make this requirement disappear.