Pl/Sql Error while creating a trigger

Question

Hello everyone m trying to make a trigger whose purpose is not to allow any update insert or delete to be done on the table Work if the day is sunday.I tried this code but it is giving me error
create or replace trigger No_work_on_Sunday
After insert or update or delete
on Work When owner='MAX'
for each row
begin
        if (select to_char(sysdate,'D')=1) then
                 raise_application_error(-20001,'no work on sunday');
      end if;
end;
on Work when owner='MAX'
ERROR at line 3:
ORA-04077: WHEN clause cannot be used with table level triggers Pls help
Edited by: 781207 on Jul 16, 2010 7:43 AM

Answer 1

create or replace trigger No_work_on_Sunday
before insert or update or delete
for each row
on Work When owner='MAX'
begin
        if to_char(sysdate,'D')=1 then
                 raise_application_error(-20001,'no work on sunday');
      end if;
end;
/Keep in mind to_char(sysdate,'D')=1 is NLS dependent. In US week starts Sunday in most european some coutries week starts Monday. In middle east it can be Friday or Saturday...
SY.
Edited by: Solomon Yakobson on Jul 16, 2010 7:50 AM