sas - How to change a date formatted number into number in SQL -


i meet confusing problem when code sql in sas. code is:

proc sql noprint;    select vdte :vdate     test1; quit;  proc sql;    create table test3     select *, cdate>=&vdate. index    test2; quit;

i find index=1. there should index=0 , index=1. when use number instead of macro variable vdate, eg. 17685(02jun2008) instead of &vdate., works!

i checked vdte. type numeric, format ddmmyy10.. vdte number stored in sas! when give &vdate., there problem!!

could me understand situation?

thanks, andrea

if vdte has sas date format, need "clear" before storing value macro variable:

proc sql;   select vdte format=8.      :vdate     test1; quit;

then comparison should work fine.

note use date9. format creating macro variable , use cdate>="&vdate"d in second query.


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