How can developers effectively debug PHP scripts that involve database queries to identify and resolve errors related to MySQL result resources?

To effectively debug PHP scripts involving database queries with MySQL result resources, developers can use functions like `mysqli_error()` to retrieve error messages from the database server. By checking for errors after executing queries, developers can identify and resolve issues related to MySQL result resources.

// Example PHP code snippet demonstrating how to debug MySQL result resource errors

// Perform database query
$result = mysqli_query($connection, "SELECT * FROM table");

// Check for errors
if(!$result) {
    die("Error: " . mysqli_error($connection));
}

// Process the result set
while($row = mysqli_fetch_assoc($result)) {
    // Process each row
}

// Free the result set
mysqli_free_result($result);