Complete Database Scheme Documentation

Where can I find the complete list of the database scheme ? I managed to drop a table (with little content) rather than drop the lines and realised I could not find a complete scheme overview.

would be good to have that as documentation, ie an overview of all tables and their formats

If I was to daft to find it please help me and accept my apologies for the question!

I am not aware of a db reference documentation.

As a workaround you could install Nextcloud to a different database, e.g. nextcloud2 and then copy the table to your original database. Check the doc for the command (third blue window).