Please go through tutorials point for learning Android and go through the official Android web site for complete understanding of the concepts. Take up a problem and try to provide solution using Android you will see yourself improving a lot in Android technology

I am ready to help you. Please contact me at irudayambics@gmail.com.

My answer may help you to get this doubt clarified. We can not connect to SQL Server or My SQL database from Android app. We need to have a middleware client to get this done. This is called "Web Service". Basic flows of web service are (From mobile app perspective); 1. Generally Mobile application (In your case Android app) requests some data to web service. 2. Web service fetches data from backend (SQL Server & My SQL etc..) and passes to Mobile application. 3. Mobile Application processes the data. So, My suggestion to you to connect to database from Android app is, You learn the basics of web service. Every mobile platform has got APIs to call web service. Thank You,

Irudaya Raj, Mobile Application Developer (Android, iOS & Windows Platforms), Bosco Soft Technologies PVT limited, Thiruppattur.