Your conclusion is: Xquery doesn’t get close to the mature capabilities of relational database systems when it comes to dealing with relational data! Well of course it doesn’t. It’s not designed to do that job . Data is naturally hierarchical, and XQuery is good at processing it in its hierarchical form.
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Article posted on Experts Exchange about XQuery
outer joins
Hi all, I’m after some feedback on an article I’ve posted at How to write an XQuery that is the exact equivalent of a SQL OUTER JOIN It would be great to find out if I’ve done something useful, or if I’ve managed to miss something simple that would have achieved the same result! Regards, Andrew Webster Cell: (205) 706-3371 Fax: (866) 567-8013 Skype: andrewmwebster Check Tungle for my free/busy info Want a personal email like mine? Click here ————– next part ————– An HTML attachment was scrubbed..
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Article posted on Experts Exchange about XQuery outer
joins
This is a post on marketing as much as sports. Here’s my logic: If you want to maximize the audience for your sport, and ergo maximize potential revenues, then outcomes need to be fair. Professional wrestling excepted (which Wikipedia refers to as “a form of sporting theater”), who wants to watch a sport where the outcome is either random, predetermined, or meaningless? Cycling has been ruined as a sport by doping . Who wants to invest twenty-something days watching the Tour de France , see Floyd Landis win it, and then get stripped of his title a few days later for doping? It ruins the fun when people are cheating, and as long as people are cheating the results are meaningless. Who wants to watch sports where the outcomes are meaningless? Some people, but not me — I haven’t really followed the Tour since 2006 — and not lots of others. Ergo, the potential audience is not maximized
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Doping is to Cycling as Poor Officiating is to Soccer
We are in the middle of one of our periodic analyst tours at MarkLogic , where we meet about 50 top software industry analysts focused in areas like enterprise search, enterprise content management, and database management systems. The NoSQL movement was one of four key topics we are covering, and while I’d expected some lively discussions about it, most of the time we have found ourselves educating people about NoSQL. In this post, I’ll share the six key points we’re making about NoSQL on the tour. Our first point is that NoSQL systems come in many flavors and it’s not just about key/value stores. These flavors include: Key/value stores (e.g., Hadoop) Document databases (e.g., MarkLogic, CouchDB) Graph databases (e.g., AllegroGraph) Distributed caching systems (e.g., Memcached) Our second point is that NoSQL is part of a broader trend in database systems : specialization. The jack-of-all-trades relational database (e.g., Oracle, DB2) works reasonably well for a broad range of applications — but it is a master of none. For any specific application, you can design a specialized DBMS that will outperform Oracle by 10 to 1000 times. Specialization represents, in aggregate, the biggest threat to the big-three DBMS oligopolists. Examples of specialized DBMSs include: Streambase, Skyler: real-time stream processing MarkLogic: semi-structured data Vertica, Greenplum: mid-range data warehousing Aster: large-scale (aka “big data”) analytic data warehousing VoltDB: high volume transaction processing MATLAB: scientific data management Our third point is that NoSQL is largely orthogonal to specializatio n. There are specialized NoSQL databases (e.g., MarkLogic) and there are specialized SQL databases (e.g., Aster, Volt). The only case where I think there are zero examples is general-purpose NoSQL systems. While I’m sure many of the NoSQL crowd would argue that their systems can do everything, is anyone *really* going to run general ledger or opportunity management on Hadoop? I don’t think so
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Six Thoughts on The NoSQL Movement
Organizers of the Balisage Markup Conference 2010 have published a complete program listing, as well as details about the Pre-conference Symposium: http://www.balisage.net/2010/Program.html http://www.balisage.net/longhaul/LHProgram.html Balisage is an annual conference devoted to the theory and practice of descriptive markup and related technologies for structuring and managing information.
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[ANN] XML for the Long Haul: Issues in the Long-term
Preservation of XML and Balisage 2010 Details
Van maandag 7 tot en met vrijdag 11 juni verzorgen Luc Bors en Lucas Jellema een 5-daagse ADF 11g training – in het kantoor van AMIS in Nieuwegein. Deze training is bedoeld voor ontwikkelaars die met ADF 11g aan de slag zijn of willen gaan en behandelt alle onderdelen van het framework: ADF Business Component,
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Aangeboden: ADF 11g Training – 7-11 juni (Nieuwegein)
Op Donderdag 17 juni, vanaf 18:00 uur, zal Oracle Database Expert en Oracle ACE Director Doug Burns(Schotland), een kennisavond vullen met live demo’s op basis van de Oracle Enterprise Manager Diagnostic en Tuning Pack. Deze bijzondere avond, geheel zonder slides, met de naam “How I Learned to Love Pictures – Oracle 10g/11g Performance Analysis Using
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Aanmelden AMIS Query “An Evening With…”: Doug Burns
I am currently reworking Chapter 12 for the SOA Suite 11g Handbook. This chapter describes various types of interaction SOA Composite Applications can have with Java applications and components. Since the initial creation of this chapter – some 6 months ago – we have had the Patch Set 2 release of the SOA Suite.
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Calling an EJB from a SOA Composite Application using the EJB Binding based on Java Interface
… [domdocument.load]: I/O warning : failed to load external entity “http://feeds.workoutbox.com/workoutbox?format= xml ” in /home/imblogge/public_html/ blogging /wp-content/plugins/daily-fitness-tips/workoutbox_recent_post.php on line 27 …
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A Great Idea For a Blogging Web Site is No Longer Enough | Impact …
Google XML Sitemaps will automatically generate a sitemap of your blog for Google, Yahoo, Bing and Ask to crawl. The plugin will automatically ping the search engines when you change your content, allowing the crawlers to see what you …
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10 WordPress Plugins That Can Make a Huge Difference to Your Blog …
