asd
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szabomarton
167
20250312/index.php
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167
20250312/index.php
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Mozi adatbázis megoldások</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 0;
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padding: 0;
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background-color: #f4f4f4;
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color: #333;
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}
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.container {
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width: 80%;
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margin: 0 auto;
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padding: 20px;
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background-color: #fff;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
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}
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h1 {
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text-align: center;
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color: #444;
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}
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.result {
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margin: 20px 0;
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padding: 10px;
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background-color: #e7f3fe;
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border-left: 6px solid #2196F3;
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}
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.result.success {
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background-color: #d4edda;
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border-left: 6px solid #28a745;
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}
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.result.error {
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background-color: #f8d7da;
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border-left: 6px solid #dc3545;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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margin: 20px 0;
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}
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table, th, td {
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border: 1px solid #ddd;
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}
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th, td {
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padding: 12px;
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text-align: left;
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}
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th {
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background-color: #f2f2f2;
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}
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tr:nth-child(even) {
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background-color: #f9f9f9;
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}
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tr:hover {
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background-color: #f1f1f1;
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}
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</style>
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</head>
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<body>
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<?php
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require_once('config.php');
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function executeQuery($conn, $query, $onlyValues = false) {
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$result = $conn->query($query);
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if ($result->num_rows > 0) {
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$output = "";
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while($row = $result->fetch_assoc()) {
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foreach ($row as $key => $value) {
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if ($onlyValues) {
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$output .= "$value<br>";
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} else {
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$output .= "$key: $value<br>";
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}
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}
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}
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return $output;
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} else {
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return "0 results";
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}
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}
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function executeQueryAsTable($conn, $query) {
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$result = $conn->query($query);
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if ($result->num_rows > 0) {
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$output = "<table><tr>";
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// Fetch the headers
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$headers = array_keys($result->fetch_assoc());
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foreach ($headers as $header) {
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$output .= "<th>$header</th>";
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}
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$output .= "</tr>";
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// Reset result pointer and fetch data
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$result->data_seek(0);
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while($row = $result->fetch_assoc()) {
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$output .= "<tr>";
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foreach ($row as $value) {
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$output .= "<td>$value</td>";
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}
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$output .= "</tr>";
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}
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$output .= "</table>";
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return $output;
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} else {
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return "0 results";
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}
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}
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function executeUpdate($conn, $query) {
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if ($conn->query($query) === TRUE) {
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return true;
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} else {
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return false;
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}
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}
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function executeInsert($conn, $query) {
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if ($conn->query($query) === TRUE) {
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return true;
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} else {
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return false;
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}
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}
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// Query to count the number of screenings starting at 20:00
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$feladat15 = "SELECT COUNT(id) as vetitesek_szama FROM vetites WHERE kezdes = '20:00'";
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echo "<div class='result'>Vetítések száma 20:00 órakor: " . executeQuery($conn, $feladat15, true) . "</div>";
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// Query to get top 5 guests
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$feladat16 = "SELECT COUNT(jegy.id) as 'jegy_db', vendeg.nev as 'vendeg_nev' FROM jegy INNER JOIN vendeg on jegy.vendegId = vendeg.id GROUP BY (jegy.vendegId) ORDER BY jegy_db DESC LIMIT 5;";
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echo "16.feladat: " . executeQueryAsTable($conn, $feladat16) . "<br>";
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// Update query
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$updateQuery = "UPDATE film SET cim = 'Csillagok között' WHERE cim = 'Interstellar'";
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//$updateQuery = "UPDATE film SET cim = 'Interstellar' WHERE cim = 'Csillagok között'";
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if (executeUpdate($conn, $updateQuery)) {
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echo "17. feladat: a film címe sikeresen átírva <br>";
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} else {
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echo "Hiba a film címének átírásakor <br>";
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}
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// Insert query
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$insertQuery = "INSERT INTO filmtipus (nev) VALUES ('Animációs')";
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if (executeInsert($conn, $insertQuery)) {
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echo "18. feladat: Az új filmtípus hozzá lett adva <br>";
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} else {
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echo "Hiba a hozzáadáskor <br>";
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}
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$feladat19 = "SELECT nev as 'nev', count(jegy.id) as 'teljes_aru_jegy_db' FROM vendeg INNER JOIN jegy on vendeg.id = jegy.vendegId WHERE nev = 'Fodor András' and kedvezmeny = 0;";
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echo "19.feladat: " . executeQueryAsTable($conn, $feladat19) . "<br>";
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$feladat20 = "SELECT film.cim as 'film_neve', COUNT(jegy.id) as 'jegy_darabszam', SUM(film.jegyar - film.jegyar * jegy.kedvezmeny / 100) as 'teljes_bevetel'
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FROM film
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INNER JOIN vetites on film.id = vetites.filmId
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INNER JOIN jegy on vetites.id = jegy.vetitesId
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GROUP BY film.cim
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ORDER BY teljes_bevetel DESC LIMIT 1;";
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echo "20.feladat: " . executeQueryAsTable($conn, $feladat20) . "<br>";
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$conn->close();
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?>
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</body>
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</html>
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