public class DBHelper extends SQLiteOpenHelper {
 
 public DBHelper(Context context) {
  super(context, "dvd.db", null, 1);
 }
 
 public DBHelper(Context context, String name, CursorFactory factory,   int version) {
  super(context, name, factory, version);
 }

 @Override
 public void onCreate(SQLiteDatabase db) {
  db.execSQL("CREATE TABLE dvd(d_num INTEGER PRIMARY KEY AUTOINCREMENT, d_name TEXT, d_genre TEXT, d_writer TEXT, d_year TEXT);");
  db.execSQL("CREATE TABLE member(m_num INTEGER PRIMARY KEY AUTOINCREMENT, m_name TEXT, m_phone TEXT, m_addr TEXT);");
 
 }

 @Override
 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
  db.execSQL("DROP TABLE IF EXISTS dvd");
  db.execSQL("DROP TABLE IF EXISTS member");
  onCreate(db);

 }

}

저렇게 두줄써서 두개 테이블 만들려고하는데 왜안되는거죠?