Oracle 18c

By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.

select * from V$VERSION;


BANNER
BANNER_FULL
BANNER_LEGACY
CON_ID


Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production
Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production
Version 18.4.0.0.0
Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production
0


create package pack is 
    function foo return int;
end;
/
create package body pack is  
    function foo return int is begin return 0; end;
end;
/
begin pack.foo; end;
/
ORA-06550: line 1, column 7:
PLS-00221: 'FOO' is not a procedure or is undefined
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored