SELECT 38
ZAP
alias38 = ALIAS()

SELECT 6
mcode  = LCode
msec   = Sec
alias6 = ALIAS()

INSERT INTO (alias38) (scode, lcode, sec, nostudent);
             SELECT DISTINCT scode, lcode, sec,;
                    (SELECT COUNT(*) FROM (alias6) WHERE admtd=1 and lcode=mcode.and. sec=msec);
             FROM (alias6) group by scode,lcode,sec WHERE admtd=1

sele 38
...