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Preview: Native XML Database

Native XML Database

Last Build Date: Thu, 11 Jan 2018 11:30:17 +0000


XML… in the Cloud !Matthias

Sun, 16 Apr 2017 18:02:30 +0000

Over the past couple of years I have focused a lot on Cloud Data Services and less on XML as a specialty topic.  But sure enough, all of the great XML processing capabilities that you know from DB2 pureXML are also available in cloud database services such as dashDB and DB2 on Cloud. DB2 on […](image)

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How to validate XML in a Stored Procedure?Matthias

Sat, 09 May 2015 04:14:17 +0000

Encapsulating database operations in stored procedures has a variety of potential benefits. For example, stored procedures allow you to code more complex data manipulation logic than what can be done with an individual SQL statement.  Also, combining multiple operations in a single stored procedure can improve performance because the operations are executed close to the […](image)

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IDUG North America 2015: XML and more…Matthias

Fri, 08 May 2015 16:46:57 +0000

I spent this week in Philadelphia at the annual DB2 user group conference. The week was packed with excellent technical sessions, panel discussions, customer presentations, hands-on labs, seminars, and lots of networking opportunities. As you would expect from such a big event, a very large variety of DB2 and application development topics were on the […](image)

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XML and BLUMatthias

Tue, 24 Dec 2013 12:35:47 +0000

As you probably noticed, DB2 10.5 features a new technology called BLU Acceleration which provides significant gains in performance, reduced storage consumption, and simplicity for analytical database workloads. To this end, BLU combines column-organized storage with novel compression techniques, hardware-specific optimizations, data skipping, new techniques for join processing and aggregations, and other innovations. Since the […](image)

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How to list all elements and attributes in DB2 for z/OSMatthias

Sun, 27 Jan 2013 01:41:46 +0000

In a previous post I described how to write a query that produces a list of all elements and attributes that occur in a document or a set of documents.  The core idea of that technique was to use the XPath expression $doc//(*, @*) in the XMLTABLE function. In this expression, $doc references the XML […](image)

Media Files: – 2008 to 2012Matthias

Fri, 28 Dec 2012 12:35:02 +0000

This blog on XML database technology and DB2 pureXML has been active for almost 5 years now. My former colleage Conor O’Mahony ran this blog from early 2008 to December 2009, and I took over on Dec 15, 2009. We have received a lot of feedback and many of the blog posts were inspired by […](image)

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Good and bad XML designMatthias

Wed, 05 Dec 2012 07:35:18 +0000

Whenever people design things –such as houses, software systems, database schemas, or even XML structures– there are good and not so good design options.  Roughly speaking, a design is usually considered “good” if it allows for easy and (cost-)efficient use and implementation of whatever is being built. For XML documents we have seen various cases […](image)

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Overcoming Performance Obstacles in XML EncryptionMatthiasfigure1_Intel_AES_v3

Tue, 23 Oct 2012 21:55:21 +0000

In times of data leakage, hacker attacks, trojan horses, and various other data security threats, efficient and effective data encryption has becomes a critical requirement for many enterprises. This need applies to XML as much as to most other forms of data. Intel and IBM have collaborated to demonstrate that a combination of modern hardware […](image)

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XML from Vegas to Berlin!Matthias

Sun, 21 Oct 2012 18:10:11 +0000

I’m in Las Vegas right now, this glittering and crazy city in Nevada! Las Vegas is once again the location for IBM’s annual Information On Demand (IOD) conference, which is starting today! IOD is the premier IBM event for Information Management software, including DB2, Informix, Netezza, Cognos, Big Data, SPSS, Content Maagement, and other product […](image)

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How to Validate XML Documents in Database QueriesMatthias

Fri, 14 Sep 2012 02:52:16 +0000

In DB2, validation of XML documents against XML Schemas is optional. If you choose to validate XML documents in DB2, the most typical scenario is to validate XML documents when they are inserted or loaded into the database. This makes sense: if you ensure that the XML that enters the database is valid, then subsequent […](image)

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