proc sql;
create table all4_2 as
select distinct raw1.* ,raw2.y
from raw1 natural right join raw2
on raw1.subject = raw2.subject and
raw1.visit = raw2.visit and
raw1.date = raw2.date;
quit;
出错:
on raw1.subject = raw2.subject and
--
22
76
ERROR 22-322: 语法错误,期望下列之一: 名称, ;, (, ',', '.', ANSIMISS, AS, CROSS, EXCEPT, FULL, GROUP, HAVING, INNER,
INTERSECT, JOIN, LEFT, NATURAL, NOMISS, ORDER, OUTER, RIGHT, UNION, WHERE.