mysql router not in list code example

Example 1: copied text from internet not inserting in mysql

When I was copying and pasting into textarea it won't allowing me to insert value in database.

Now I found the solution

HTML --- <textarea name="description"></textarea>

PHP --- Please add addslashes like $text = addslashes($_POST['description']);

Example 2: postgresql not in alternative

SELECT  l.id, l.value
FROM    t_left l
LEFT JOIN
        t_right r
ON      r.value = l.value
WHERE   r.value IS NULL