https://communities.sas.com/t5/SAS-Programming/Valid-name/m-p/690584#M210079 <P>The question asks which of the 4 is <EM><STRONG>valid</STRONG></EM>. Only (c.) is valid.</P><P>(a.) Invalid because first character is numeric.</P><P>(b.) Invalid because one of the characters is '/'.</P><P>(d.) Invalid because length &gt; 8.</P> Fri, 09 Oct 2020 21:03:56 GMT vellad 2020-10-09T21:03:56Z https://communities.sas.com/t5/SAS-Programming/Valid-name/m-p/690438#M210046 <P><SPAN>Hi. What's wrong with answer C?</SPAN></P><P>&nbsp;</P><P><SPAN>Which library name (libref) is valid?</SPAN></P><P>&nbsp;</P><TABLE border="0"><TBODY><TR><TD>&nbsp;<EM>a.</EM>&nbsp;&nbsp;<STRONG>2010Car</STRONG></TD></TR><TR><TD>&nbsp;<EM>b.</EM>&nbsp;&nbsp;<STRONG>car/2010</STRONG></TD></TR><TR><TD>&nbsp;<EM>c.</EM>&nbsp;&nbsp;<STRONG>car2010</STRONG></TD></TR><TR><TD>&nbsp;<EM>d.</EM>&nbsp;&nbsp;<STRONG>cars_2010</STRONG></TD></TR></TBODY></TABLE><P><BR /><STRONG>Your answer:<SPAN>&nbsp;</SPAN><FONT color="#003399">d</FONT><BR />Correct answer:<SPAN>&nbsp;</SPAN><FONT color="#003399">c</FONT></STRONG><BR /><BR /><SPAN>This libref follows all three rules for valid librefs. A libref must have a length of one to eight characters, and must begin with a letter or underscore. The remaining characters must be letters, numbers, or underscores.</SPAN></P> Fri, 09 Oct 2020 14:50:41 GMT https://communities.sas.com/t5/SAS-Programming/Valid-name/m-p/690438#M210046 STG2020 2020-10-09T14:50:41Z https://communities.sas.com/t5/SAS-Programming/Valid-name/m-p/690584#M210079 <P>The question asks which of the 4 is <EM><STRONG>valid</STRONG></EM>. Only (c.) is valid.</P><P>(a.) Invalid because first character is numeric.</P><P>(b.) Invalid because one of the characters is '/'.</P><P>(d.) Invalid because length &gt; 8.</P> Fri, 09 Oct 2020 21:03:56 GMT https://communities.sas.com/t5/SAS-Programming/Valid-name/m-p/690584#M210079 vellad 2020-10-09T21:03:56Z