Uses Mysql placeholders instead of concatenating the query by hand.
Uses Mysql placeholders instead of concatenating the query by hand.

To avoid:
https://xkcd.com/327/

GNOME/chronojump-server,GNOME/chronojump-server,GNOME/chronojump-server,GNOME/chronojump-server,GNOME/chronojump-server,GNOME/chronojump-server