Mendapatkan kolom dari .sqlite yang berisi banyak tabel dengan banyak kolom

Coba ini:

Cursor cursor = db.rawQuery("SELECT DISTINCT AS_name FROM Articles",null);
// If you want in order then  add "ORDER BY AS_name AESC" in sql query.

cursor.moveToFirst();

 while(cursor.moveToNext()) {
// do Something
}