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PHP MCQs

Which of the following query grabs the Top 10 scores from database, sorting by score and timestamp?

<?php require ('connectToDatabase.php'); $query = "SELECT FROM userdata ORDER by `score` LIMIT 10"; $result = $connquery(sql); if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; } } else { echo "<div>No records found.</div>"; } $conn->close(); ?>

<?php require ('connectToDatabase.php'); $query = "SELECT * FROM `userdata` ORDER by score ASC 10"; $result = $conn->query(sql); if ($result-> 0) { while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; } } else { echo "<div>No records found.</div>"; } $conn->close(); ?>

<?php require ('connectToDatabase.php'); $query = "SELECT * FROM `userdata` ORDER by `score` ASC LIMIT 10"; $result = $conn->query($sql); if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; } } else { echo "<div>No records found.</div>"; } $conn->close(); ?>

<?php require ('connectToDatabase.php'); $query = "SELECT * FROM userdata ORDER by `score` ASC 10"; $result = $conn->query($sql); if ($result->num_rows > result.length) { while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; } } else { echo "<div>No records found.</div>"; } $conn->close(); ?>

Answer

Correct Answer: <?php require ('connectToDatabase.php'); $query = "SELECT * FROM `userdata` ORDER by `score` ASC LIMIT 10"; $result = $conn->query($sql); if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; } } else { echo "<div>No records found.</div>"; } $conn->close(); ?>

Explanation:

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