connect_error) { die("Połączenie nieudane: " . $conn->connect_error); } $sql = "SELECT * FROM auta WHERE kolor='CZERWONY'"; $result = $conn->query($sql); echo " Zadanie 1
"; if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo " rocznik: " . $row["rocznik"] . "
"; } } else { } echo "liczba wyświetlonych rekordów: " ; echo $result->num_rows; $sql = "SELECT marka, model FROM auta WHERE rocznik >='2012' and rocznik <='2020'"; $result = $conn->query($sql); echo "
Zadanie 2
"; if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo " marka: " . $row["marka"] . " model: " . $row["model"] . "
"; } } else { } echo "liczba wyświetlonych rekordów: " ; echo $result->num_rows; $sql = "SELECT marka, model, kolor FROM auta order by kolor asc"; $result = $conn->query($sql); echo "
Zadanie 3
"; if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "marka: " . $row["marka"] . " model: " . $row["model"] . " kolor: " . $row["kolor"] . "
"; } } else { } echo "liczba wyświetlonych rekordów: " ; echo $result->num_rows; $sql = "SELECT model, kolor FROM auta WHERE kolor='CZARNY'"; $result = $conn->query($sql); echo "
Zadanie 4
"; if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "model: " . $row["model"] . "
"; } } else { } echo "liczba wyświetlonych rekordów: " ; echo $result->num_rows; $sql = "SELECT rocznik, kolor FROM auta WHERE rocznik >='2015' order by rocznik desc"; $result = $conn->query($sql); echo "
Zadanie 5
"; if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "kolor: " . $row["kolor"] . "
"; } } else { } echo "liczba wyświetlonych rekordów: " ; echo $result->num_rows; $conn->close(); ?>