SimpleCursorAdapter for ListView and DB. How to use?

Question

Android

I'm afraid to seem stupid, but after reading about SimpleCursorAdapter I didn't understand anything.
Actually, I want to implement a trivial thing: there is a database with data, I want to fill the listview with this data, but in such a way that by clicking on the element, the corresponding entry from the database by id would be taken.
I used ArrayAdapter for a very long time to compile a listview, everything worked until I implemented deletion from the database. After deletion, the list collapsed and NullPointerExeption or links not to the correct data fell.
I read that it would be more correct to use SimpleCursorAdapter. Please explain briefly how it works or give a link to the available man. Everything I found was overflowing with unnecessary code and not at all clear. Thank you.