php空数据记录删除

<?php
// 连接数据库
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 查询空数据记录
$sql = "SELECT * FROM your_table WHERE your_column IS NULL OR your_column = ''";
$result = $conn->query($sql);

// 删除空数据记录
if ($result->num_rows > 0) {
    $deleteSql = "DELETE FROM your_table WHERE your_column IS NULL OR your_column = ''";
    if ($conn->query($deleteSql) === TRUE) {
        echo "空数据记录删除成功";
    } else {
        echo "删除失败: " . $conn->error;
    }
} else {
    echo "没有空数据记录";
}

$conn->close();
?>