Android, SQLite - brisanje vrstice iz baze

prvi
drugi
tretji
cetrti
peti
sesti

public long insertTitle(String title, String content) {
        ContentValues initialValues = new ContentValues();
        initialValues.put(KEY_TITLE, title);
        initialValues.put(KEY_CONTENT, content);
        return db.insert(DATABASE_TABLE, null, initialValues);
    }

public Cursor getTitle(long rowId) throws SQLException {
        Cursor mCursor = db.query(true, DATABASE_TABLE, new String[] {
                		KEY_ROWID, 
                		KEY_TITLE,
                		KEY_CONTENT
                		}, 
                		KEY_ROWID + "=" + rowId, 
                		null,
                		null, 
                		null, 
                		null, 
                		null);
        if (mCursor != null) {
            mCursor.moveToFirst();
        }
        return mCursor;
    }

public boolean deleteTitle(long rowId) {
        return db.delete(DATABASE_TABLE, KEY_ROWID + "=" + rowId, null) > 0;
        }

ArrayList<String> al = new ArrayList<String>();
	ListView lv;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main); 
        db = new DBAdapter(this);
        lv = (ListView) findViewById(R.id.ListView01);
        
        lv.setOnItemClickListener(new OnItemClickListener() {
        	public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
        		openNote(arg3 + 1);
        	}
        });
    }
    
    public void dbContent() {
    	db.open();
        c = db.getAllTitles();
        if (c.moveToFirst())
        {
            do {          
                al.add(c.getString(0) + " " + c.getString(1));
            } while (c.moveToNext());
        }
       
        lv.setAdapter(new ArrayAdapter<String>(this,
			android.R.layout.simple_list_item_1, al));
        db.close();
    }