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Front Page News
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Jos Koenen just reported that an example of db4o underJavaFX is working just fine (you might also want to check the code in his previous post here ). Don't miss this opportunity to check JavaFX persistence with db4o (source code included). Although this...
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The db4o core engine used to get built to one big fat .jar/.dll. From our users on low resource devices we constantly hear requests for a smaller library size. For people using db4o on handhelds and phones like Android, 1 MB seems to be a critical size...
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Hi. Recently we introduced some changes to our configuration APIs striving for simplicity. You can read more about these changes here . Best Adriano...
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In part 3 of his IOC Containers series of blog posts ( part 1, part 2 ), Jared shows us how to use db4o (introducing a DB4OSingleServiceProvider ) to transparently persist objects and use them between application instances or other systems using IOC....
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"I used db4o in my code because of the simplicity and native object storage. If you have never used db4o, I suggest it." by Jared on IOC Containers - Part 3...
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Mike Card just announced (via Roberto Zicari's blog) that the OMG is hosting an Object Database Standard Definition Scope meeting in Santa Clara, CA at the Hyatt Regency on Tuesday afternoon, December 9th. The agenda for this meeting will be as follows:...
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Hi, Recently we decided to evaluate how much impact (in performance) reflection represented in db4o. In .Net side we already knew (due to previous experience) that reflection is not as fast as we would like to. At the same time, profiling proved that...
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The db4o Powershell Provider Challenge is still on! Check on these goodies: The hosts at Powerscripting.net we'll be giving away a copy of PrimalScript Enterprise which has a retail value of $379. Note that PowerShellpeople like to hang out on #powershell...
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So Rob Conery wrote a really cool post the other day that I just had to comment on. Here’s my thought for you: What if you used an OODB for development ONLY and implemented SQL Server later, when you know what you need to create. It made me wonder; how...
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db4o Release 7.7 Supports Fast Collections and Pluggable String Encoding Articles Fast Collections are Here for Embedded db4o on Java and .NET The new fast collection implementation allows select/update of collection elements without an intermediate "stored-object-db4o"...
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There is a challenge going on at the PowerShell Podcast ( http://www.powerscripting.net ) in Episode 46 (the current episode as of this writing) for anyone who can get db4o working with Microsoft Powershell. The guys hosting the podcast are giving away...
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Here's a follow up series of blog posts about db4o and Jython by Jim Cassidy: " Jython Goodness with db4o ", " Jython Formula One Tutorial " and " Jython Formula One Tutorial, Part2 ". The last two entries are a mirror of our Formula 1 tutorial but for...
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Isn't it fun that you don't have to write any "INNER JOIN" SQL syntax in db4o whenever you want to describe that a set of objects is linked from another object? Instead db4o allows you to work with collections and to simply traverse the graph of objects...
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ODBMS.ORG , a vendor-independent non-profit group of high-profile software experts lead by Prof. Roberto Zicari, today announced the exclusive publication of a third series of new user reports on using technologies for storing and handling persistent...
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Join Jim Cassidy in his effort to use db4o together with Jython . He suggests an an Active Record like wrapper around db4o. Stay tuned to his blog for upcoming db4o samples implemented in Jython....
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A great day for the mobile industry! Go a get it all at: http://source.android.com/ And don't forget that db4o works like a charm on Android =) Best....
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ODBMS.ORG, a vendor-independent non-profit group of high-profile software experts lead by Prof. Roberto Zicari, today announced the exclusive publication of selected conference papers presented at the ICOODB 2008- the International Conference on Object...
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One of the things I've been working on was trying out the java persistence technology known as db4o. My intention has been to find a database storage technology that handled hierarchical data well. Relational databases manage many situations very well...
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The Gallio Automation Platform is an open, extensible, and neutral system for .NET that provides a common object model, runtime services and tools (such as test runners) that may be leveraged by any number of test frameworks. At present Gallio can run...
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YuiBook is a C# application that allows you to manage receipt and expense bookings. The booking entries contain a booking type, amount, tax, date, comment, etc. and can be filtered by date and type (receipt or expense) and exported to a xml-file with...
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db4o is now available via the SpringSource Enterprise Bundle Repository (a Maven2-compliant repository). Currently only the Java5 jar is available. If you'd like to see additional jars supported, please comment on the following issue: https://issuetracker.springsource.com/browse/BRITS-143...
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When db4o stores and loads strings it has to convert them to and from bytes. Until recently db4o only used to supply 2 encodings to do this work: One for 16-bit Unicode, the other for ISO 8859-1. To decide for one or the other you would call Configuration#unicode()...
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Now Microsoft Compact Framework Users Can Leverage a Native ODBMS Engine with the Same LINQ Interface as in .NET SAN MATEO, Calif., Oct 6, 2008 - db4objects , creator of the leading open source object database, has announced that its db4o object database...
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Stackoverflow is a new site geared toward answering software development questions. You might want to give it a shot and help answer db4o related questions that are starting to appear in the website (it would be a good thing to monitor such threads there...
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In his PureMVC web framework proposal Xavier Méhaut selects db4o as the persistence solution and says: "I actually like DB4O a lot... It is fast and easy to use... Heaven in comparison with Hibernate ;)"...
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