InfoQ Homepage Architecture & Design Content on InfoQ
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Recursive Selects using Common Table Expressions
Relational databases are great for storing most forms of structured data. The most notable exception is recursive data. Tree-like structures, essential for menus, normally require awkward stored procedures to efficiently return. SQL Server 2005 does have an answer though.
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Steve Sloan on BizTalk Server 2006 R2
InfoQ talked to Steve Sloan, Senior Product Manager, about the BizTalk Server 2006 R2 in the context of SOA.
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OpenLogic Launches Free Open Source Library and Knowledge Base
The OpenLogic Exchange, which launched last week, provides a place where companies and developers can find, research, and download certified open source packages. It also has a knowledgebase for each package and provides information on OpenLogic's certification scores, as well as licenses and dependencies between open source packages.
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Analyzing Experimental Data Concerning Agile Practices
Agile literature is sprinkled with experiments on the effectiveness of one or more practices. Not all experiments come to the same conclusion. Some experiments come to conclusions that may not coincide with your team’s experience. To understand experimental results, and the level of confidence that you should have in their outcomes, an understanding of a few simple evaluation criteria is helpful.
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Article: Open Source WS Stacks for Java - Design Goals and Philosophy
InfoQ's Stefan Tilkov questioned lead developers of Apache Axis2, Apache CXF, Spring Web Services, JBossWS and and Sun’s Metro about their design goals, their approach towards Java and Web services standards, data binding, accessing XML, interoperability, REST support, and framework maturity. The results revealed many similarities and some noteworthy differences.
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Moving away from exclusive use of OOP and Curly Brace Languages to reduce code waste?
According to Bob Warfield, at least 70% of code is wasted because it’s written to build components which would add no competitive differentiation to the final product. To reduce this "waste", programmers should practice code reuse instead of repeatedly building the same components. However, to facilitate code reuse it is necessary to move away from exclusive use of OOP and Curly Brace Languages.
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The SCA Debate
David Chappell, from Chappell & Associates, started a debate on SCA by reasoning that "Microsoft Should Not Support SCA".
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Java, Ruby, and the Continuous Tax
Recently as part of a debate on ActiveRecord and Hibernate, Bob Lee of Google used the term "continuous tax" to describe the pros and cons of using a dynamically typed language like Ruby in respect to a statically typed language such as Java.
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Open Source: The .NET Framework
Today Microsoft announced it will release the source code for its .NET Framework under the Microsoft Reference License.
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Interview with SCA standards members and users
InfoQ took time to talk to some of the driving forces behind SCA at the OpenCSA Plenary held recently.
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Intalio|BPMS 5.0 released - A full fledged open source BPM system
Intalio last week released their open source based BPM System - Intalio|BPMS 5.0, including amongst other things a BPMN Editor and a BPEL server engine. The release is a milestone for Intalio in their effort to realise a complete solution for their BPM 2.0 vision. InfoQ took the opportunity to interview Ismael Ghalimi, Intalio CEO, and Arnaud Blandin, EMEA Director, about the new release.
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AgileEvents Calendar Update
AgileEvents is one month old, and two dozen commercial and non-profit events have been announced there by members of the Agile community around the world. Here is your monthly roundup of upcoming events, with "coding dojos", classes, and conferences and XPdays worldwide.
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Think you know what scalability is?
Many people talk about scalability, but do you know what it really means? Royans K Tharakan dispels some myths and provides a detailed explanation of some of the common scalability terms.
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Lucene Oracle Integration Looks to Surpass Oracle Text
New work to enhancement LUCENE-724 by Marcelo Ochoa allows for better integration of Lucene as a domain index from within the Oracle database. The updates allow greater flexibility than using Oracle Text.
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JBoss RichFaces 3.1: Ajax4JSF and Exadel RichFaces integrated as single open source library
JBoss, a division of RedHat, recently released version 3.1 of the RichFaces JSF library. Stemming from a partnership with Exadel, this release is the first one to integrate the Ajax4JSF project with the formerly commercial RichFaces. InfoQ took the opportunity to learn more about RichFaces and what this release brings to the JSF space.