> >insert into dlyatten (code, date, type, category, scode, lCode, sec,syear ) ; > select code, m.pDate, 1, "P", scode, lCode, Sec,ssyear ; > from Student st ; > WHERE Admtd = 1 ; > AND NOT EXISTS (SELECT * FROM dlyatten dl ; > WHERE dl.code = st.code AND date=pdate ) >What seems to be a problem?