LINQ

Db4o LINQ syntax is provided for .NET developers and aimed to make writing db4o code even more native and effortless. If you are already familiar with LINQ syntax, you can just start writing LINQ to query db4o.  Otherwise you may want to familiarize yourself with LINQ resources on MSDN.

Further reading:

• Simple Example 
• Type Safety 
• Optimization 
• LINQ Collection