I've listened about calibre corrupting db I don't know how many times

My POV? The last time, I didn't eject it right or I wasn't careful when importing it. In any case, as I had a backup of the previous day, no loss (and I don't blame calibre because I think that I've connected my devices more than 1.000 times -no exaggeration- and I've got the problem twice, and the other one I was able to solve it rebuilding indexes).