22.01

Egzamin/inf_03_2025_06_11_php_opony_BAZA/index.php

@@ -0,0 +1,9 @@
+<?php
+$db = mysqli_connect('localhost', 'root', '', 'opony');
+$query = "SELECT id_zam, ilosc, model, cena FROM zamowienie JOIN opony USING(nr_kat) ORDER BY RAND() LIMIT 1;";
+
+$result = mysqli_query($db, $query);
+while ($row = mysqli_fetch_assoc($result)) {
+    echo $row['id_zam'] . " - " . $row['ilosc'] . " - " . $row['model'] . " - " . $row['cena'] . "<br>";
+}
+mysqli_close($db);

Egzamin/inf_03_2025_06_11_php_opony_BAZA/kwerendy.txt

@@ -0,0 +1,4 @@
+SELECT * FROM opony ORDER BY cena LIMIT 10;
+SELECT producent, model, sezon, cena FROM opony WHERE nr_kat = 9;
+SELECT id_zam, ilosc, model, cena FROM zamowienie JOIN opony USING(nr_kat) ORDER BY RAND() LIMIT 1;
+UPDATE opony SET cena = cena * 0.75 WHERE sezon = 'letnia';