Hi,
I'm on DIGEST, so I don't know if that's
been answered already, or not.
But anyhow, what about:
update (
select t.field1 f, t.field2 v, d.field1 g, d.field2 w from
testtable1 t, testtable2 d
where t.id = d.id)
set f = g, v = w
HTH
Dieter Buecherl
> From: "Eric D. Pierce" <[EMAIL PROTECTED]>
> Date: Wed, 30 May 2001 13:02:14 -0700
> Subject: Re: Update Query
>
>ha, ha. you got bit by the "null" update thing too, I remember it
>well! :)
>
>except for maybe some newfangled oracle8 features, the "ugly" one is
>the "traditional" way the manual says to do it (iirc). I have many
>many scripts with that kind of code in them since we load mainframe
>datafiles into the local oracle apps, and do a lot of cross-table
>updates (non-normalized, but that is mostly ok since it is archive
>data).
>
>you *can* "pretty" it up a bit by using better formatting,
>e.g.,
>
>
>update
> tablea a
> set
> (
> a.firstname,
> a.lastname
> )
> =
> (
> select
> b.firstname,
> b.lastname
> from
> tableb b
>where
> b.id = a.id
> )
> where
> a.id in
> (
> select
> b2.id
> from
> tableb b2
> )
>/
>
>
>On 30 May 2001, at 11:56, CC Harvest wrote:
>
>Date sent: Wed, 30 May 2001 11:56:14 -0800
>To:Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
>
>> Seems like Oracle Doesn't have to the query like this:
>>
>> update tablea set firstname=tableb.firstname,
>> lastname=tableb.lastname
>> where tableb.id = tablea.id;
>>
>> I can have one, it works if it has a match for the two
>> tables, otherwise the two columns updated to null:
>>
>> update tablea set (firstname,lastname)
>> =(select firstname,lastname from tableb
>> where tableb.id=tablea.id);
>>
>> Then the following one works, but very ugly:
>>
>> update tablea set (firstname,lastname)
>> =(select firstname,lastname from tableb
>> where tableb.id=tablea.id)
>> where exists(
>> select 'x' from tableb
>> where tableb.id=tablea.id)
>
>...
>
>
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--
Author: Buecherl Dieter (BUE)
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