使用Android应用程序访问服务器上数据库的最佳方式

I need to develop an application which can access an SQL Server database stored on a server in an office. On call staff remote desktop into a terminal server, and access the database using the desktop application for which the Database was made. The desktop application accesses the database with an ODBC connection. I am writing an android application which will allow a small part of the access to this database that is available in the desktop application, and I am looking for ways to connect my application to this database, whether it is using the ODBC connection (Potentially using .Net), or in some other way.I need to develop an application which can acce