db4o Developer Community

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 ...

hi db4o community, i don't have success when trying to store an object that contains a hashtable. does anyone have sample classes or sample code concerning usage of hashtables to be stored with db4o? any help and hints are highly appreciated. thank you.   kind regards   yb   

Some new stuff has gone into Sql4o: supports all the comparison operations for the queries: , =, =, <>, != . supports Integers, Longs and Doubles as well as Strings. and lastly, you can now build more complex where statements and they get correctly converted into SODA!eg: from com.spaceprogram.db4o.Contact c where (age = 10 or age = 20) and income ...

I've been taking the reigns on the new db4o ObjectManager 2.0 and of course I love to eat our own dog food (this ain't no kibbles and bits), so db4o is used for everything that needs persisting. This includes all the user settings, preferences, previous connections, query history, even previous window locations, and any other state I can get my ...