It’s currently 01:57 a.m in Beijing. I’m still awake, thanks to the “great” unicode \uff0d, whose official name is “FULLWIDTH HYPHEN-MINUS” (the print of the character is －, very similar to -). Why I’m calling it the “great” “special” unicode? MS SQLServer (at least for the version I use - 2014) somehow recognizes \uff0d(－) as if it was - (the normal minus sign). What do I mean? Let’s say you have a table created like …