You can also surround USER in double quotes ("USER") and set the PROC SQL option DQUOTE=ANSI. PROC SQL supports the SAS System's INFORMAT=, FORMAT=, and LABEL= modifiers for expressions within the ...

By default, PROC SQL uses the LABEL option to display output. LABEL displays SAS variable labels ... rename productid prodid; format productid 4. weight e16.9 fibersize e20.13 width e16.9; list all; ...