Why wouldn'g restricting by the primary key force the query to look at only
the row I've specified?
----- Original Message -----
From: "Simon Horwith" <[EMAIL PROTECTED]>
To: "CF-Talk" <[EMAIL PROTECTED]>
Sent: Wednesday, September 18, 2002 12:09 PM
Subject: RE: Returning columns with null values when specific columns are
unknown at runtime


> Patti,
> One thing you've got to keep in mind is that if your query finds NULLs in
> 100 rows and amongst those 100 rows there is at least one instance of a
NULL
> value in each of your 26 columns, you WILL get back all columns for all
> rows.  Just want to make sure you're clear on that.
>
> ~Simon
>
> Simon Horwith
> Macromedia Certified Instructor
> Certified Advanced ColdFusion 5 Developer
> Fig Leaf Software
> 1400 16th St NW, # 220
> Washington DC 20036
> 202.797.6570 (direct line)
> www.figleaf.com
>
>
> -----Original Message-----
> From: Patti G. L. Hall [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 18, 2002 11:58
> To: CF-Talk
> Subject: Re: Returning columns with null values when specific columns
> are unknown at runtime
>
>
> Sorry, but you made the same mistake that simon did.
>
> I don't want to return select *
>
> I want to return select (only columns that are null and I don't know what
> they are up front) where primarykey = some number
>
> I didin't actually have any questions regarding the where statement at
all.
> I'm aware that I'll probably have to use the whole IS NULL dealie... but
> where I'm stuck is how do I selectively return columns when I don't know
> which columns fit my criteria (containing null values only).
>
> Thanks - Patti
> ----- Original Message -----
> From: "Candace Cottrell" <[EMAIL PROTECTED]>
> To: "CF-Talk" <[EMAIL PROTECTED]>
> Sent: Wednesday, September 18, 2002 11:23 AM
> Subject: Re: Returning columns with null values when specific columns are
> unknown at runtime
>
>
> > How about this.... or am I still missing something
> >
> > Select * from TABLENAME
> > WHERE col1 IS NULL OR col2 IS NULL OR col3 IS NULL OR col4 IS NULL
> >
> >
> > Candace K. Cottrell, Web Developer
> > The Children's Medical Center
> > One Children's Plaza
> > Dayton, OH 45404
> > 937-641-4293
> > http://www.childrensdayton.org
> >
> >
> > [EMAIL PROTECTED]
> >
> > >>> [EMAIL PROTECTED] 9/18/2002 11:17:41 AM >>>
> > Thanks, but that doesn't get me where I want.
> >
> > I ONLY want to return the columns that ARE null, and I never know which
> > ones
> > those are when I run this query... so what I need is something for the
> > select statement.
> >
> > -Patti
> > ----- Original Message -----
> >
> > > The only thing I can think to do is create a bunch of OR statements
> > i.e.:
> > > WHERE colA IS NULL OR colB IS NULL OR colN IS NULL
> > >
> > > ~Simon
> > >
> > >
> > > -----Original Message-----
> > >
> > >
> > > Is there a way to write a MSSQL 2k query that will return a result
> > set
> > that
> > > contains only columns with null values when you don't know
> > explicitly
> > which
> > > columns those will be?
> > >
> > > So if I have this data
> > >
> > > pk | col 1 | col 2 | col 3 | col 4|
> > >   1       1       2        null    null
> > >   2        null    4      null    null
> > >
> > > I'd like a query that would return col 3 and col 4 where pk = 1 or
> > col 1,
> > > col 3 and col 4 where pk=2.
> > >
> > > Is this possible?
> > > -Patti
> >
> >
> >
> >
>
> 
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