Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Usenet -> c.d.o.server -> Re: Oracle For Fun
VC wrote:
> Hello Daniel,
>
> "Daniel Morgan" <damorgan_at_x.washington.edu> wrote in message
> news:1075776599.3474_at_yasure...
>
>>VC wrote: >> >>>SQL> create or replace function f1( p_number in varchar2 ) return
>>> 2 begin >>> 3 return translate(p_number,'0123456789','9999999999') = >>>'999-999-9999'; >>> 4 end; >>> 5 / >>> >>>Function created. >>> >>>SQL> create table t1(x varchar2(20)) >>> 2 / >>> >>>Table created. >>> >>>SQL> insert into t1 values('123-456-7890') >>> 2 / >>> >>>1 row created. >>> >>>SQL> insert into t1 values('123-456-78j0') >>> 2 / >>> >>>1 row created. >>> >>>SQL> insert into t1 values(null) >>> 2 / >>> >>>1 row created. >>> >>>SQL> set serverout on >>>SQL> declare >>> 2 l_str varchar2(20); >>> 3 begin >>> 4 for l in (select x from t1) loop >>> 5 if f1(l.x) then l_str := 'valid'; else l_str := 'not valid';
>>>if; >>> 6 dbms_output.put_line('<'||l.x||'>'||l_str); >>> 7 end loop; >>> 8 end; >>> 9 >>> 10 / >>><123-456-7890>valid >>><123-456-78j0>not valid >>><>not valid <-- null is not valid >>> >>>PL/SQL procedure successfully completed. >>> >>>SQL> >>> >>> >>>???????????? >>> >>> >>>VC >> >>What, exactly, do you expect "insert into t1 values(null)" to do?
>>Try select count(*) from t1;
>>You need to create another column ...
Nothing now that I take a second to reread what you did. Damn these Percodans are making a mess of my brain.
-- Daniel Morgan http://www.outreach.washington.edu/ext/certificates/oad/oad_crs.asp http://www.outreach.washington.edu/ext/certificates/aoa/aoa_crs.asp damorgan_at_x.washington.edu (replace 'x' with a 'u' to reply)Received on Mon Feb 02 2004 - 23:15:27 CST