I am very new to SAS as I am learning it currently for a college course. I am getting this error, "ERROR: Expression using equals (=) has components that are of different data types.", with the following code; libname mk "/home/u62148011/sasuser.v94"; run; proc contents data= mk.aha; run; PROC SQL; CREATE TABLE WORK.query AS    SELECT PHAGMISS    FROM mk.aha    ORDER BY PHAGMISS= "5"; RUN; QUIT;   I believe the error is occurring with the ORDER BY statement. Any advice or help you can give would be great. ... View more