http://www.csdn.net/article/2011-11-11/307355
http://www.csdn.net/article/2012-03-29/313675
http://www.csdn.net/article/2012-03-30/313753
cmd> %ProgramFiles%/Microsoft SQL Server/110/Tools/Binn/SqlLocalDB.exe /?
http://msdn.microsoft.com/zh-cn/library/hh510202.aspx
http://blogs.msdn.com/b/sqlexpress/archive/2011/07/12/introducing-localdb-a-better-sql-express.aspx