MyDatabaseHelper.java

package com.example.c84databasesample;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class MyDatabaseHelper extends SQLiteOpenHelper {

    private static final String DB_NAME = "sample.db";
    private static final int DB_VERSION = 1;

    public MyDatabaseHelper(Context context) {
        super(context, DB_NAME, null, DB_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("CREATE TABLE  USERS ("
                + "_id INTEGER PRIMARY KEY AUTOINCREMENT,"
                + "NAME TEXT NOT NULL,"
                + "AGE INTEGER);");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }

    @Override
    public void onOpen(SQLiteDatabase db) {
        super.onOpen(db);
        //db.enableWriteAheadLogging();
    }
}