dynamic oracle sql parent-child cursor insert -


i'd insert values parent table_1 , child table_2 tables in cursor. how can that? if statement , variables trying.

all columns constraint: table_1 constraints: pprt_mandant_nr, pprt_pro_prod_nr, pprt_prp_position table_2 constraints: patt_mandant_nr, patt_pro_prod_nr, patt_prp_position, patt_are_realartnr

this code working without error message wrong results. few rows table_2. think if statement wrong. or dunno... me pls.

open l_cursor l_query;   fetch l_cursor   bulk collect l_sucherg; close l_cursor;  := l_sucherg.first;  while not null  loop   if ( l_pro_mandant_nr <> l_sucherg (i).pro_mandant_nr        or l_pro_prod_nr <> l_sucherg (i).pro_prod_nr        or l_prp_position <> l_sucherg (i).prp_position)        , l_prp_are_realartnr <> l_sucherg (i).prp_are_realartnr      begin     insert table_1 (pprt_pkot_seq,                          pprt_mandant_nr,                          pprt_pro_prod_nr,                          pprt_prp_position )     values (l_seq,             l_sucherg (i).pro_mandant_nr,             l_sucherg (i).pro_prod_nr,             l_sucherg (i).prp_position );    exception    when others       raise_application_error ( -20001, sqlerrm );    end;   elsif l_prp_are_realartnr <> l_sucherg (i).prp_are_realartnr      begin     insert table_2 (patt_pkot_seq,                          patt_mandant_nr,                          patt_pro_prod_nr,                          patt_prp_position,                          patt_are_realartnr)     values (l_seq,             l_sucherg (i).pro_mandant_nr,             l_sucherg (i).pro_prod_nr,             l_sucherg (i).prp_position,             l_sucherg (i).prp_are_realartnr );      l_prp_are_realartnr := l_sucherg (i).prp_are_realartnr;    exception    when others       raise_application_error ( -20001, sqlerrm );    end;   end if;   l_pro_mandant_nr := l_sucherg (i).pro_mandant_nr;  l_pro_prod_nr := l_sucherg (i).pro_prod_nr;  l_prp_position := l_sucherg (i).prp_position;   := l_sucherg.next (i); end loop;


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