File list (Check if you may need any files):
data
....\ch01-ch11
....\.........\Car
....\.........\...\Car_Data.MDF
....\.........\...\Car_Log.LDF
....\.........\College
....\.........\.......\college_Data.MDF
....\.........\.......\college_Log.LDF
....\ch12-15
....\.......\DemoData
....\.......\........\DemoData_Data.MDF
....\.......\........\DemoData_Log.LDF
....\ch16
....\....\SellSystem
....\....\..........\SellSystem_Data.MDF
....\....\..........\SellSystem_log.LDF
....\ch17
....\....\Exam
....\....\....\exam_Data.MDF
....\....\....\exam_Log.LDF
....\ch18
....\....\Archives
....\....\........\Archives.mdf
....\....\........\Archives_log.LDF
....\....\使用諴明.txt
....\ch19
....\....\Material_xin
....\....\............\Material.mdf
....\....\............\Material_log.LDF
....\使用諴明.txt