create or replace trigger insert_catid
before insert or update or delete on categories
for each row
begin
SELECT categories_seq.NEXTVAL INTO :NEW."cat_uid" FROM DUAL;
end;
i am using oracle 11g. I am compiling this trigger it is giving me error of
Error(7,36): PLS-00049: bad bind variable 'NEW.cat_uid'
please suggest me about this error