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Re: Have Insert statement, need equivalent Update.

Posted by rhaazy on 10/02/36 11:51

Fixed it no problems.
rhaazy wrote:
> My app runs on all my companies PCs every month a scan is performed and
> the resulst are stored in a database. So the first time a scan is
> performed for any PC it will be an insert, but after that it will
> always be an update. I tried using openxml in my insert statement but
> kept getting an error stating my sub query is returning more than one
> result... So since I couldn't do it that way I'm trying this method.
> All the relevent openxml is there I just couldn't figure out how to
> insert each column using it. If you have any suggestions I'm open to
> give it a try.
>
> Erland Sommarskog wrote:
> > rhaazy (rhaazy@gmail.com) writes:
> > > INSERT INTO #temp
> > > SELECT * FROM openxml(@iTree,
> > > 'ComputerScan/scans/scan/scanattributes/scanattribute', 1)
> > > WITH(
> > > ID nvarchar(50) './@ID',
> > > ParentID nvarchar(50) './@ParentID',
> > > Name nvarchar(50) './@Name',
> > > scanattribute nvarchar(50) '.'
> > > )
> > >
> > > Now here is the insert statement for the table I am having trouble
> > > with.
> > >
> > > INSERT INTO tblScanDetail (MAC, GUIID, GUIParentID, ScanAttributeID,
> > > ScanID, AttributeValue, DateCreated, LastModified)
> > > SELECT @MAC, #temp.ID, #temp.ParentID,
> > > tblScanAttribute.ScanAttributeID, tblScan.ScanID,
> > > #temp.scanattribute, DateCreated = getdate(),
> > > LastModified =
> > > getdate()
> > > FROM tblScan, tblScanAttribute JOIN #temp ON
> > > tblScanAttribute.Name =
> > > #temp.Name
> > >
> > > If there is a way to do this without the temporary table that would be
> > > great, but I haven't figured a way around it yet, if anyone has any
> > > ideas that would be great, thanks.
> >
> > I have some difficulties to understand what your problem is. If all
> > you want to do is to insert from the XML document, then you don't
> > need the temp table, but you could use OPENXML directly in the
> > query.
> >
> > But then you talk about an UPDATE as well, and if your aim is to insert
> > new rows, and update existing, it's probably better to use a temp
> > table (or a table variable), so that you don't have to run OPENXML twice.
> > Some DB engines support a MERGE command which performs the task of
> > UPDATE and INSERT in one statement, but this is not available in
> > SQL Server, not even in SQL 2005.
> >
> > If this did not answer your question, could you please clarify?
> >
> > --
> > Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se
> >
> > Books Online for SQL Server 2005 at
> > http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
> > Books Online for SQL Server 2000 at
> > http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

 

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