摘要：
A session is an application's unit of work that may encompass several database transactions. In this version of ODB a session is just an object cache. 阅读全文
摘要：
An ODB view is a C++ class or struct type that embodies a light-weight, read-only projection of one or more persistent objects or database tables or t 阅读全文
摘要：
ODB sections are an optimization mechanism that allows us to partition data members of a persistent class into groups that can be separately loaded an 阅读全文
摘要：
In C++ inheritance can be used to achieve two different goals. We can employ inheritance to reuse common data and functionality in multiple classes. F 阅读全文