LINQ to SQL: Basic Concepts and Features -Basic concepts and features of LINQ to SQL, including querying and updating a SQL database with L2S, deferred execution, lazy loading and eager loading. .

在linux下安装mysql时问题：erro while loading shared libraries：libaio.so.1:cannot open shared object file:no such file or directoryd的解决办法。-When the linux install mysql problem: erro while loading shared libraries: libaio.so.1: cannot open shared object file: