目录1. 基本知识2. 基本API2.1 create_engine(创建引擎)2.2 sessionmaker(创建session)2.3 declarative_base(定义映射类)2.4 SQL与ORM差异3. ORM CRUD3.1 增加(C)3.2 查找(R)3.3 更新(U)3.4 删除(D)4.
We are currently trying to move large amounts of data to a Silverlight 3 client using WCF with PollingDuplex.I have read about the MultiplerMessagesPerPoll in Silverlight 4 and it appears to be quite