To run MariaDB SQL from /home, in the file /usr/lib/systemd/system/mariadb.service, just change :
ProtectHome=true
to :
ProtectHome=false
To run MariaDB SQL from /home, in the file /usr/lib/systemd/system/mariadb.service, just change :
ProtectHome=true
to :
ProtectHome=false