Re: Structured XML Generation using SQL

Doug,

Are you talking about the whitepaper, "Replacing DB2 Extenders with DB2
Built in Support for XML"?

While I'm not replacing DB2 Extenders...it does appear quite useful.

The step by step buildup is exactly what I was hoping for.

I also ran across these articles
http://www.itjungle.com/fhg/fhg080812-story02.html
http://www.itjungle.com/fhg/fhg082212-story01.html


Thank you!
Charles



On Fri, Apr 22, 2016 at 2:21 PM, Doug Mack <mackd@xxxxxxxxxx> wrote:

Not sure this will help but here's a link to a white paper on DB2 XML
support (take the white papers link and you'll see it).

ibm.biz/Bd4fFb


Doug Mack
Analytics Consultant, DB2 for i
IBM Systems Lab Services
Mobile: 360-481-1271
email: mackd@xxxxxxxxxx
twitter: @mckdrmoly




From: Charles Wilt <charles.wilt@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 04/22/2016 11:03 AM
Subject: Structured XML Generation using SQL
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



Ok, so I've never needed to use the new XML functions in DB2.

Until now. I've got a need for a data export that seems like it might be a
good fit for XML...

Basically, I need to dump invoice header & detail. But for each detail
line, there will be an additional sub query or two to provide some extra
info.

Example (manually created so pardon syntax errors)

<Invoice number="12345" date='2016-01-01'>
<line number="1">
<sku>456789</sku>
<upc>12345678901</upc>
<qty>12</qty>
<more_info>
<line>abcd</line>
<line>efgc</line>
</more_info>
</line>
<legal1>invoice legal verbiage 1</legal1>
<legal2>invoice legal verbiage 2</legal2>
</Invoice>

I suppose I could just use a set of .CSV files with "foreign keys" but
using XML would allow me to keep everything together.

So my questions to the experts:
Does this seem like a reasonable use of XML? Or am I asking for trouble?

Do you have links to good references for learning to use the XML
functionality in DB2 for i? I've looked at the SQL reference, and while
useful, I'd like something a bit more together and with more advanced
examples of putting it all together.

Lastly, once I build the XML...how do I get it saved into a text file the
IFS?

Thanks!
Charles
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