NQ to SQL???Entity <b>Framework</b>é????ˉ????¨???????LINQ???è??????°?è±?é???3?????°????è????????????1?é????????è3a?????￥??¨?o?EF?°????????o?????§????????????￥è?￠???é??????ˉ|è???o???′?￥????è§￡è?|???
LINQ to SQL和Entity Framework都是一種包含LINQ功能的對象關系映射技術。他們之間的本質區別在于EF對數據庫架構和我們查詢的類型實行了更好的解耦。使用EF，我們查詢的對象不再是完全對應數據庫架構的C#類，而是更高層的抽象：Entity Data Model。這為我們提供了額外的靈活性，但是在性能和簡單性上面也會有所損失。
This project attempts to implement a Database using B+Tree. The project has developed a DATABASE SYSTEM with lesser memory consumption. Its API includes simple SQL Statements and the output is displayed on the screen. Certain applications for which several features of existing databases like concurrency control, transaction management, security features are not enabled. B+Trees can be used as an index for factor access to the data. Help facility is provided to know the syntax of SQL Statements.
DeviceListener is an Objective-C example which demonstrates how to use the DiscRecording framework to listen for device plug and unplug events as well as media insertion events. Requirements: Mac OS X 10.2 and later Keywords: DiscRecording
