Introduction - If you have any usage issues, please Google them yourself
1) to store any data entities and the relationship between two abstract table
2) fields of any data entity expansion needs in two extended field design approach, and extended field support database level sort search function add extension field and the general field no big difference, just add a feature.
3) the relationship between the entity and the entity to a high degree of abstraction (the final abstract horizontal and parent-child recursive two), resulting in the interface of the database access layer, Universal is very extensive, and can be adapted to the relationship between any entities. This design can not be expressed in general language maybe you looked at the code will be the experience
4) draw a lot of good design in CS, such as the Provider mode, dynamically build the SQL to implement a custom query cache, the design of multi-language resource files, custom Url rewrite, Ajax functionality, etc.
5) excellent operational performance
6) release system in the backg