摘要：
As we have already seen in previous chapters, ODB uses a pragma-based language to capture database-specific information about C++ types. This chapter 阅读全文
摘要：
The ODB transaction model (Section 3.5, "Transactions") guarantees consistency as long as we perform all the database operations corresponding to a sp 阅读全文
摘要：
The QtConcurrent namespace provides high-level APIs that make it possible to write multi-threaded programs without using low-level threading primitive 阅读全文
摘要：
6 Relationships 依赖关系 Relationships between persistent objects are expressed with pointers or containers of pointers. The ODB runtime library provides 阅读全文
摘要：
If we don't know the identifiers of the objects that we are looking for, we can use queries to search the database for objects matching certain criter 阅读全文
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
摘要：
In Section 3.1, "Concepts and Terminology" we have already discussed the notion of values and value types as well as the distinction between simple an 阅读全文