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  • Client/server native query do not work anymore

    Hi you all,  For an open source project I am using dbo 7.7. The native query simply do not work at all ! :(( The exact same code (I do not post it, it is a simple native query) using an embedded container returns the expected objects while a client connected to a server just do not return anything. I also encountered many ...
    Posted to db4o User Forum (Forum) by pascallengele on December 19, 2008
  • What is the recommended way to get just a single object from the db4o database?

    My apologies for such a noobie-Q, but I was just wondering: what is the simplest, recommended way to retrieve a single object from the DB4O ObjectSpace (uinsg C# on .NET 3.5 SP1)?  E.g., I want to store an instance of class UserSettings. So one way then I'm guessing would be..  m_UserSettings = ...
    Posted to db4o User Forum (Forum) by JamesHurst on September 25, 2008
  • Storing and querying Terabytes of data

    We would like to use an Object Database, as part of a high frequency data .NET application, to store 50GB of data per day, 5 days a week. (We would be storing 512 bytes objects at rates of up to ~3MB of data per second, we expect to store 10 Terabytes a year)  We are worried regarding db4o maximum dbsize limit, 254GB, which would ...
    Posted to db4o User Forum (Forum) by yogevm on November 22, 2007
  • Query Optimization

    I work for a company that is evaluating DB4o, but we have come across some performance issues.  I understand that the .NET version of DB4o includes all the optimization functionality.  I am using .NET 3.0 and DB4o 6.105, and the queries that I am executing aren't being optimized, even when ...
    Posted to db4o User Forum (Forum) by dkym on July 18, 2007