Completely empty the TinyDB

[Taifun]

@SloVuj

The newly installed app
finds them and displays them!

This is because of

TinyDB after uninstall of an APP

Note that on newer versions of Android, Google automatically backs up all app data, so even if you uninstall and reinstall an app with TinyDB, it’s possible that Android will restore the database from the app backup.

Taifun