<script> 
(function() { // REQUIRED CONFIGURATION VARIABLE: EDIT THE SHORTNAME BELOW
var d = document, s = d.createElement('script'); // IMPORTANT: Replace EXAMPLE with your forum shortname!
s.src = 'https://rekornblog.disqus.com/recommendations.js'; s.setAttribute('data-timestamp', +new Date());
(d.head || d.body).appendChild(s);
})();
</script>
<noscript>
Please enable JavaScript to view the 
<a href="https://disqus.com/?ref_noscript" rel="nofollow">
comments powered by Disqus.
</a>
</noscript>
<div id="disqus_recommendations"></div>

SQL 언어 기본 문법 정리