The latest articles on DEV Community by Tahamid Khan (@tahmid_khan_31c947cb1442f). https://dev.to/tahmid_khan_31c947cb1442f https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F2445860%2Fce38efb6-d267-42c0-ae6c-146750b151eb.jpeg https://dev.to/tahmid_khan_31c947cb1442f en Tahamid Khan Thu, 14 May 2026 07:09:25 +0000 https://dev.to/tahmid_khan_31c947cb1442f/essential-sql-functions-every-beginner-should-know-2pi5 https://dev.to/tahmid_khan_31c947cb1442f/essential-sql-functions-every-beginner-should-know-2pi5 <p>SQL provides powerful built-in functions that help us analyze, summarize, and manipulate data easily. In this article, we will learn the most important SQL functions every beginner must know with practical examples.<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight sql"><code><span class="k">SELECT</span> <span class="k">MAX</span><span class="p">(</span><span class="n">ProductCount</span><span class="p">)</span> <span class="k">AS</span> <span class="n">HighestProduct</span> <span class="k">FROM</span> <span class="n">NewCafe</span><span class="p">.</span><span class="n">categories</span><span class="p">;</span> <span class="o">&amp;</span> <span class="n">many</span> <span class="k">more</span> <span class="k">SQL</span> <span class="n">functions</span> <span class="n">explained</span> <span class="k">in</span> <span class="n">the</span> <span class="n">video</span><span class="p">.</span> </code></pre> </div> <p>These functions are essential for working with databases and help you quickly analyze and summarize data in SQL.<br> If you're a beginner in SQL or backend development, this guide will make your concepts clear and practical.</p> <p>🎥 Prefer visual learning? Watch the full SQL tutorial here:</p> <p> <iframe src="https://www.youtube.com/embed/cLNiS4QS50c"> </iframe> </p> sql webdev mysql database