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What he's asking for is not the SQL Standard Syntax!
The SQL Standard Sytax is:
Update Table a
Set UpdFld = (Select Fld
From Table2 b
Where a.Key1 = b.Key1
and a.Key2 = b.Key2 ?
and a.KeyN = b.KeyN)
Where Exists (Select Fld
from Table2 c
Where a.Key1 = c.Key1
and a.Key2 = c.Key2 ?
and a.KeyN = c.KeyN)

Mit freundlichen Grüßen / Best regards

Birgitta Hauser


"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"
?Train people well enough so they can leave, treat them well enough so they
don't want to.? (Richard Branson)


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Vernon
Hamberg
Sent: Dienstag, 27. Oktober 2020 17:21
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: RFE for SQL update from

Can't we do something like this already?

update fileA

set fileA.field1 = (select field1

from fileB wherekey = fileA.key)

I could be wrong, but I feel like I've done this. Please correct me it it's
not doable.

And how is the RFE request different from that?

Cheers
Vern

On 10/27/2020 8:54 AM, Gad Miron wrote:
All folks


I've registered an RFE for SQL Update with a From clause.


http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=1
463


update fileA

set fileA.field1 = fileB.field1

from fileA inner join fileB on fileB.key = fileA.key



May I have your votes please.


Thanks

Gad

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