How can you integrate a GROUP BY clause into a SQL query to retrieve all values in descending order?

To integrate a GROUP BY clause into a SQL query to retrieve all values in descending order, you can use the GROUP BY clause along with the ORDER BY clause. By specifying the column you want to group by and then ordering the results in descending order, you can retrieve the desired output. Example PHP code snippet: 

$query = "SELECT column_name, COUNT(*) as count 
          FROM table_name
          GROUP BY column_name
          ORDER BY count DESC";
$result = mysqli_query($connection, $query);

if(mysqli_num_rows($result) > 0) {
    while($row = mysqli_fetch_assoc($result)) {
        echo $row['column_name'] . ": " . $row['count'] . "<br>";
    }
} else {
    echo "No results found.";
}

Keywords

PHP SQL query GROUP BY clause descending order integration

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