Re: Copy row and alter a column

On Wed, 19 Jan 2000 15:50:29 GMT, jeanch_at_my-deja.com wrote:

>Folks,
>
>Does anybody know how to achieve this ?
>
>I am trying to copy a row in a table,
>alter that row and insert the altered row
>in the same table. Ideally I would like
>to achieve this in one single transaction:
>
>INSERT INTO tab SELECT * FROM tab WHERE EID = 41
>
>"AND"
>UPDATE tab set state = 2 where eid = 41 and rownum = 1;
>state is a column of tab table;
>
>The reason I need to do that in one transaction is the table
>have a unique constraint which does not allow me to enter identical
>twice.
>
>Your help is much appreaciated
>
>Cheers
>JC
>
>
>Sent via Deja.com http://www.deja.com/
>Before you buy.

How about:

INSERT INTO tab ( state, eid, rownum )
SELECT 2 AS state, tab.eid, tab.rownum
FROM tab
WHERE tab.eid=41 AND tab.rownum=1;

Andy Received on Wed Jan 19 2000 - 10:24:57 CST