Firebird's OO API is based on use of interfaces. That interfaces, though looking in some aspects like OLE2 interfaces (some of them have addRef() and release() -methods) are non standard and have features, missing in ither widely +methods) are non standard and have features, missing in other widely used types of interfaces. First of all Firebird interfaces are language independent – that means that to define/use them one need not use language specific @@ -79,7 +79,7 @@ services there is no explanation what is service and why is it needed, only description of how to obtain IService interface and how to use it. Also pay attention that samples of code do not use a lot of powerful features of C++. Not used reference -counted pointers, not user other RAII holders, not used templates +counted pointers, not used other RAII holders, not used templates (except one present in firebird public headers), etc. Primary goal is to make this text usable not only to C++ people because our API is oriented to support not only C++ but other, more simple languages