please help me with the following random code mysql:

I want to write random code. I have the following code, but I do not know how random the "id" variable is to be random variable. Please help me, I thank you.

{if $related neq 0}
<div class="media-meta">
<ul>
<li data-toggle="tooltip" data-placement="bottom"><i class="fa fa-reorder"></i>Danh sách Video liên quan</li></ul></div>
<div class="related">
<ul>
{section name=x loop=$related}
<li>
<a href="./media/{$related[x].id}/{$related[x].title|html_decode|slug}">
<div class="related-item-image">
<div class="related-duration">
{if isset($theme_display_media_video_site) AND $theme_display_media_video_site eq 1}<span class="{$related[x].video_site}-span related-site-span">{$lang_{$related[x].video_site}_select}</span>{/if}
<span class="related-time">{$related[x].duration|SecToMin}</span>
</div>
<img data-src="upload/media/{$related[x].thumbnail}" />
</div>
<div class="related-title">{$related[x].title|html_decode}</div>
</a>
</li>
{/section}
</ul>
</div>
{/if}