https://communities.sas.com/t5/New-SAS-User/About-case-sensitive/m-p/668676#M23173 <P>When I refer column_name in statement like where and var, sometimes I ignore the font format. Is it matter to ignore the upper case or lower case when I reference the column name?</P><P>thanks!</P> Sun, 12 Jul 2020 19:53:45 GMT Jianan_luna 2020-07-12T19:53:45Z https://communities.sas.com/t5/New-SAS-User/About-case-sensitive/m-p/668676#M23173 <P>When I refer column_name in statement like where and var, sometimes I ignore the font format. Is it matter to ignore the upper case or lower case when I reference the column name?</P><P>thanks!</P> Sun, 12 Jul 2020 19:53:45 GMT https://communities.sas.com/t5/New-SAS-User/About-case-sensitive/m-p/668676#M23173 Jianan_luna 2020-07-12T19:53:45Z https://communities.sas.com/t5/New-SAS-User/About-case-sensitive/m-p/668678#M23174 <P>Usually, when referring to variable names the case is not important.</P> Sun, 12 Jul 2020 20:01:24 GMT https://communities.sas.com/t5/New-SAS-User/About-case-sensitive/m-p/668678#M23174 PaigeMiller 2020-07-12T20:01:24Z