------解决方案-------------------- create or replace trigger tri_name before inser on table_a for each row insert into table_b(:new.col1,..,:new.coln); end;
------解决方案--------------------
------解决方案-------------------- create or replace trigger trigger_update_name before update on table_name for each row begin insert into old_data_talbe values(:old.column_name,..); end;