/* -------- start t-sql -------- */
use DYNAMICS
/* show the records to be deleted */
select CMPANYID, USERID
from SY60100 UA left join SY01500 C on UA.CMPANYID = C.CMPANYID
where C.CMPANYID is null
/* remove them!! */
delete
from SY60100 UA left join SY01500 C on UA.CMPANYID = C.CMPANYID
where C.CMPANYID is null
/* -------- end t-sql -------- */