Обсуждение: Generating serial number column

Hi Everybody ,<br /><br />Is there a way in postgresql by which I can generate serial number column for the<br
/>resultset.I wanted the resulset to look like below<br /><br /><br />sno             Name<br />-------------------<br
/>1               JOE<br />2                JOHN<br />3                MARY<br />4                LISA<br
/>5               ANN<br />6                BILL<br />7                JACK<br />8 &nb sp;              WILL<br
/>9               GEORGE<br />10              NANCY<br />11               JANE<br /> .                    .<br
/> .                   .<br /> .                    .<br /><br />My query is basically select * name from tblcontact. I
wantedto generate<br />the column "sno" which basically numbers each row returned. Any help is<br />appreciated.<br
/>Regards,<br/>Tarun<br /><p><br /><hr size="1" />Do you Yahoo!?<br /><a
href="http://rd.yahoo.com/O=1/I=brandr/vday03/text/flow/*http://shopping.yahoo.com
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On Thursday 13 Feb 2003 4:21 pm, Mintoo Lall wrote:
> Hi Everybody ,
>
> Is there a way in postgresql by which I can generate serial number column
> for the resultset. I wanted the resulset to look like below
>
>
> sno             Name
> -------------------
> 1                JOE
> 2                JOHN
> 3                MARY
> 4                LISA
> 5                ANN
> 6                BILL
> 7                JACK
> 8                WILL
> 9                GEORGE
> 10              NANCY
> 11               JANE
>  .                    .
>  .                    .
>  .                    .
>
> My query is basically select * name from tblcontact. I wanted to generate
> the column "sno" which basically numbers each row returned. Any help is
> appreciated.
> Regards,
> Tarun

create sequence myseq;
select nextval('myseq'), name from tblcontact;
drop sequence myseq;

There may well be a way to do it without the sequence, bit I can't think of
one.

Gary

>
>
>
> ---------------------------------
> Do you Yahoo!?
> Yahoo! Shopping - Send Flowers for Valentine's Day

--
Gary Stainburn
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How do you do a table Pivot in PostgreSQL?

tia,
.V

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