sp_helpdb FareCollection
/*
FareCollection    1    D:\DataBase\FareCollection.mdf    PRIMARY    3072 KB    Unlimited    1024 KB    data only
FareCollection_log    2    D:\DataBase\FareCollection_log.ldf    NULL    1024 KB    2147483648 KB    10%    log only
*/

------解决方案--------------------

连接master

然后执行

sp_helpdb 数据库名

------解决方案--------------------
SqlCeEngine engine = new SqlCeEngine("Data Source = AdventureWorks.sdf");  
engine.Shrink();