hello,

i typed the following code

SQL> create or replace function first_function return varchar2 as
  2 begin
  3 return 'Hello World';
  4 end first function;
  5 /

but it always gives me the following error

(Warning: Function created with compilation errors.)

so where is the problem and how can i fix it?

SQL> edit
Wrote file afiedt.buf

  1 create or replace function first_function return varchar2 as
  2 begin
  3 return 'Hello World';
  4* end first function;
SQL> /

Warning: Function created with compilation errors.

SQL> show error
Errors for FUNCTION FIRST_FUNCTION:

LINE/COL ERROR
-------- -----------------------------------------------------------------
4/11 PLS-00103: Encountered the symbol "FUNCTION" when expecting one
         of the following:
         ;

SQL> edit
Wrote file afiedt.buf

  1 create or replace function first_function return varchar2 as
  2 begin
  3 return 'Hello World';
  4* end first_function;
SQL> /

Function created.

SQL> select first_function from dual
  2 /

FIRST_FUNCTION
--------------------------------------------------------------------------------
Hello World