public Vector buscaTodasVendasNaoAvaliadas(String cpf) throws SQLException {
		Vector res = new Vector();
		Venda v;
		StringBuilder strb = new StringBuilder();
		//st.execute("SELECT * FROM venda WHERE cpf_cliente = '" + cpf + "'");
		strb.append("SELECT * FROM venda v WHERE cpf_cliente = '");
		strb.append(cpf).append("'");
		strb.append(" AND NOT EXISTS");
		strb.append(" (SELECT * FROM av_venda a WHERE v.data_venda = a.data_venda);");
		st.execute(strb.toString());
		ResultSet rs = st.getResultSet();
		while (rs.next()) {
			ResultSet rsnome;
			st = myConnection.createStatement();
			st.execute("SELECT nome_vendedor FROM funcionario_vendedor WHERE cpf_vendedor = '" + rs.getString("cpf_vendedor") + "';");
			rsnome = st.getResultSet();
			rsnome.next();
			//System.out.println(rsnome.getString(1));
			v = new Venda(rs.getString(1), rs.getString(2), rs.getString(3), rs.getString(4), rs.getString(5), rsnome.getString(1));

			//Armazena o novo filme no vetor
			res.addElement(v);
			//rsnome = null;
		}
		return res;
	}