What are best practices for using cross join?

Best practices for using CROSS JOIN in MySQL to achieve optimal performance and results in your SQL queries.

MySQL, CROSS JOIN, SQL Queries, Database Optimization, Performance, Best Practices


        <?php
        // Example of using CROSS JOIN in MySQL
        $query = "SELECT A.name, B.category 
                  FROM products A 
                  CROSS JOIN categories B";
                  
        $result = mysqli_query($connection, $query);
        
        // Iterate through the result
        while ($row = mysqli_fetch_assoc($result)) {
            echo "Product: " . $row['name'] . " - Category: " . $row['category'] . "<br>";
        }
        ?>