How i update offilne database on studio [duplicate]

This question already has an answer here:

• When is SQLiteOpenHelper onCreate() / onUpgrade() run? 3 answers

I Have A Android Studio Source With Offline Database I Run Application But When I Changed Database Details App Was Not Changed. So I Uninstalled App And Run Again.As A Result My App Was Changed My Problem Is Like This But I Use Android Studio Not Basic 4 Android: Same Problem on b4a

What Can I Do With This Problem?