RE: Simple(?) SQL question

[jmmckee@xxxxxxxxxxxxxx]

Error changed a bit.  Here is statement:

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'

and here is error:

Server: Msg 170, Level 15, State 1, Line 1
Line 1: Incorrect syntax near 'a'.

I am only guessing here, but is a word missing?

John McKee

Quoting Alan Shore <AlanShore@xxxxxxxx>:

> 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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