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Try the statement by removing the 3 " as "
For example
update pre_case a
    set (a.patient_name) =
        select coalesce(b.patient_name,a.patient_name)
             from demographic b
            where a.medical_record_no = b.medical_record_no
                   and a.medical_record_no = '990030133'



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx

midrange-l-bounces@xxxxxxxxxxxx wrote on 03/09/2007 03:54:48 PM:

I may be doing something wrong, or MS-SQL is just a tad different from
System i.

On our test system, I entered this:

update pre_case as a
    set (a.patient_name) =
        select coalesce(b.patient_name,a.patient_name)
             from demographic as b
            where a.medical_record_no = b.medical_record_no
                   and a.medical_record_no = '990030133'

Here is the error I received:

Server: Msg 156, Level 15, State 1, Line 1
Incorrect syntax near the keyword 'as'.


For testing, I just wanted to modify records associated with a single
medical
record.  Likely, that will have to be what will be done on the live
database. Too much unusual data to do a global change.

So, anybody either see something wrong with what I entered, or perhaps
the
statement only works on System i, as written?

It is Friday.  This mess will still be here next week.

John McKee

Quoting Alan Shore <AlanShore@xxxxxxxx>:

True - if there are millions of records to be processed this could be a
major factor where processing time is concerned



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx

midrange-l-bounces@xxxxxxxxxxxx wrote on 03/08/2007 04:43:35 PM:

I'd add:

AND A.PATIENT_NAME <> B.PATIENT_NAME

To the where clause. Why bother updating a row where no update is
needed.

-Walden

--
Walden H Leverich III
Tech Software
(516) 627-3800 x3051
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com

Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)


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