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"db4o began life as a Java database library, but its designers have since created parallel editions for the .Net languages. In 2005, db4o implemented Native Queries, which allow you to express queries as Java (or .Net) methods. Recent additions to the library include Transparent Update and Transparent Activation, which more completely automate object persistence. The engine itself deduces how much of a persistent object's members must be read from and written to storage, simplifying coding and providing better memory management. Also new in db4o is support for Microsoft LINQ."
InfoWorld BOSSIE Awards, Best of Open Source Software
http://www.infoworld.com/slideshow/2008/08/166-best_of_open_so-2.html
http://www.infoworld.com/archives/t.jsp?N=s&V=107881
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When you think of databases usually MySQL or Oracle or even Microsoft SQL Server come to mind. Yet, object oriented databases have the potential to cut down coding nuts and bolts and speed up app development time – particularly for those migrating to Linux from Windows. Here’s one such compelling SourceForge hosted open source system to do just this -> db4o
(See the rest of the article here: http://www.itwire.com/content/view/18714/1141/)
in ITWire
by David M Williams
Wednesday, 11 June 2008
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Inheritance and polymorphism in db4o
Object-oriented applications make considerable use of inheritance,
and they frequently want to use that inheritance (or "is-a")
relationship to categorize and organize objects within a given system.
This can prove difficult in a relational storage scheme, which has no
intrinsic concept of inheritance, but in an OODBMS, it's a core
feature. In this installment of The busy Java™ developer's guide to
db4o, discover the surprising ease (and power) of using inheritance as
a core feature when creating queries in db4o.
23 Oct 2007, by Ted Neward (ted@tedneward.com), Principal, Neward & Associates
http://www.ibm.com/developerworks/java/library/j-db4o6.html?ca=drs-
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db4o 7.0 is now in beta for the Java Community
db4o 7.0
has been released as a beta for the Java development community. The
final release will be in Q1 2008, after community signoff and support
for .NET has been added. The new version (download here)
adds transparent activation, a new caching mechanism, better exception
handling, unique constraints, and client/server enhancements... http://www.theserverside.com/news/thread.tss?thread_id=47646
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"First Look: DB4Objects Database" As a freelancer, I've had to work with databases quite often. In my
earlier years, I worked with Microsoft Access, creating Visual Basic
for Applications forms to interact with my data
tables and queries. As my needs matured, I moved on and embraced MySQL
and the various front ends for it due to the increased versatility
offered by such solutions. (For instance, MySQL supports cross-platform
Web applications powered by PHP or similar languages.) With this background, I was interested in trying out DB4Objects (DB4O) from db4objects Inc., as yet another step in my database education...
Application Development Trends, November 19, 2007, by Will Kraft
and Visual Studio Magazine
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"Hot skills" are Computer Weekly
articles on the background and applications of programming languages,
formats, standards and skills, how easy it is to become expert in them,
and how to go about adding a new one to your CV.
"Hot skills: cut costs and coding time with Database for Objects"
ComputerWeekly, November 19, 2007, by Nick Langley
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db4objects' activation scheme designed for devices
Although object databases have been around for what seems like forever, the rise of the mobile device may prove to be the technology’s salvation. At least, that’s how one company sees it. November 14, 2007, by P.J. Connolly
http://www.sdtimes.com/article/latestnews-20071101-18.html
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The startup's premium service offering, dubbed dDN Enterprise, is targeted at large-scale "early adopter" and "innovator" companies.
Looking to capitalize on a need for data-driven configurations and customization software, Db4objects Tuesday launched a new service and upgraded its software program for Java and .Net environments.
The startup's premium service offering -- dubbed dDN Enterprise -- is targeted at large scale "early adopter" and "innovator" companies and is priced at $18,000 per named developer per year. The service includes a support framework called XtremeConnect as well as a new professional-grade developer productivity tool, ObjectManager Enterprise.
November 14, 2007, by Michael Singer http://www.informationweek.com/news/showArticle.jhtml?articleID=202806191
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For nearly twenty years, the software community has embraced the
concept of open source development, which stresses collaboration
between coders and uses the Internet to broaden its reach to include
input from great minds spread across the world. California-based
database software company db4objects
applies these same concepts to the company’s corporate culture when
hiring its paid engineers. The results? Better software, quicker
development times, and an unbeatable work environment.
September 21, 2007, by Hailey Lynne McKeefry
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