Operate on the Arch Linux package database. Modify certain attributes of the installed packages. More information: https://man.archlinux.org/man/pacman.8.
pacman --database --help
sudo pacman --database --asdeps {{package_name}}
sudo pacman --database --asexplicit {{package_name}}
pacman --database --check
pacman --database --check --check
pacman --database --check --quiet