{"id":36116,"date":"2022-08-12T07:00:45","date_gmt":"2022-08-12T14:00:45","guid":{"rendered":"https:\/\/dhblog.dream.press\/blog\/?p=36116"},"modified":"2026-08-11T08:35:11","modified_gmt":"2026-08-11T15:35:11","slug":"learn-sql","status":"publish","type":"post","link":"https:\/\/www.dreamhost.com\/blog\/learn-sql\/","title":{"rendered":"How to Learn SQL (Fast &#038; Free)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The best way to learn SQL is to pick a path: a free YouTube tutorial for the fastest start, or a free interactive course from Codecademy, Khan Academy, or W3Schools for a structured foundation. Both routes assume zero coding experience and cost nothing. Paid courses from Coursera and Udemy add depth, and Coursera issues a shareable certificate of completion for your resume.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you want to become a <a href=\"https:\/\/www.dreamhost.com\/blog\/how-to-hire-web-developer\/\" target=\"_blank\" rel=\"noopener\">back-end developer<\/a> or simply familiarize yourself with databases, you\u2019ll need to learn SQL, and you can start even without coding experience.<\/p>\n\n\n\n\n\n<div class=\"article-newsletter article-newsletter--gradient\">\n\n\n<h2>Get Content Delivered Straight to Your Inbox<\/h2><p>Subscribe now to receive all the latest updates, delivered directly to your inbox.<\/p><form class=\"nwsl-form\" id=\"newsletter_block_\" novalidate><div class=\"messages\"><\/div><div class=\"form-group\"><label for=\"input_newsletter_block_\"><input type=\"email\"name=\"email\"id=\"input_newsletter_block_\"placeholder=\"Enter your email address\"novalidatedisabled=\"disabled\"\/><\/label><button type=\"submit\"class=\"btn btn--brand\"disabled=\"disabled\"><span>Sign Me Up!<\/span><svg width=\"21\" height=\"14\" viewBox=\"0 0 21 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M13.8523 0.42524L12.9323 1.34521C12.7095 1.56801 12.7132 1.9304 12.9404 2.14865L16.7241 5.7823H0.5625C0.251859 5.7823 0 6.03416 0 6.3448V7.6573C0 7.96794 0.251859 8.2198 0.5625 8.2198H16.7241L12.9405 11.8535C12.7132 12.0717 12.7095 12.4341 12.9323 12.6569L13.8523 13.5769C14.072 13.7965 14.4281 13.7965 14.6478 13.5769L20.8259 7.39879C21.0456 7.17913 21.0456 6.82298 20.8259 6.60327L14.6477 0.42524C14.4281 0.205584 14.0719 0.205584 13.8523 0.42524Z\" fill=\"white\"\/>\n<\/svg>\n<\/button><\/div><\/form><\/div>\n\n\n<h2 id=\"h-an-introduction-to-sql\" class=\"wp-block-heading\"><b>An introduction to SQL<\/b><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL stands for Structured Query Language, pronounced \u201csequel\u201d or spelled out as S-Q-L. It\u2019s the standard programming language for storing, querying, and managing data in relational databases such as MySQL and PostgreSQL. Whether you\u2019re pulling a sales report or cleaning up spam comments, SQL is the language that tells the database what to do.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a relational database, structured data is organized into tables with rows and columns. All Relational Database Management Systems (RDBMS) like MySQL, PostgreSQL, Oracle DB, and SQL Server use SQL to communicate with this data. Each system adds its own extra features, but they all share the same core SQL standard. If you\u2019re not sure where to start, learn on MySQL or PostgreSQL and your skills will transfer to the rest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In WordPress, your site data is stored in a MySQL or MariaDB database (WordPress supports either). Using SQL queries, you can store, alter, or delete data from this database.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, you can use a MySQL query to manage your spam comments. This will instruct WordPress to locate comments marked as spam and delete them:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">DELETE FROM wp_comments WHERE wp_comments.comment_approved = 'spam';<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to view your customer transactions, you can query the purchased items or customer ID. This enables you to quickly access information about your <a href=\"https:\/\/www.dreamhost.com\/blog\/how-to-build-online-store-become-boss\/\" target=\"_blank\" rel=\"noopener\">online store<\/a>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT *\nFROM users\nJOIN orders\n ON orders.user_id = users.id\nWHERE state = 'Washington';<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">There are different types of SQL commands that you can use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>DDL (Data Definition Language)<\/b>: this creates and modifies database objects.<\/li>\n\n\n\n<li><b>DML (Data Manipulation Language)<\/b>: this creates, modifies, or deletes data.<\/li>\n\n\n\n<li><b>DCL (Data Control Language)<\/b>: this controls access to data in the database.<\/li>\n\n\n\n<li><b>DQL (Data Query Language)<\/b>: this performs queries to find information.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">However, SQL can only be used in relational databases. Since non-relational (NoSQL) databases do not store data in tables, they require different query languages.<\/p>\n\n\n\n<h2 id=\"h-why-you-might-want-to-learn-sql\" class=\"wp-block-heading\"><b>Why you might want to learn SQL<\/b><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After you master the fundamentals of SQL, you can use it to extract relevant data from a large database. Whether you\u2019re a data analyst, business owner, or <a href=\"https:\/\/www.dreamhost.com\/blog\/wordpress-user-roles\/\" target=\"_blank\" rel=\"noopener\">website administrator<\/a>, you can benefit from learning SQL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although SQL was first introduced in the 1970s, it remains one of the most popular programming languages. In fact, 59% of developers use SQL, <a href=\"https:\/\/survey.stackoverflow.co\/2025\/technology\" target=\"_blank\" rel=\"noopener\">per Stack Overflow\u2019s 2025 Developer Survey<\/a> (July 2025, 49,000+ respondents) \u2014 right up there with <a href=\"https:\/\/www.dreamhost.com\/blog\/learn-javascript\/\" target=\"_blank\" rel=\"noopener\">JavaScript<\/a> (66%) and <a href=\"https:\/\/www.dreamhost.com\/blog\/learn-html\/\" target=\"_blank\" rel=\"noopener\">HTML<\/a>\/<a href=\"https:\/\/www.dreamhost.com\/blog\/learn-css\/\" target=\"_blank\" rel=\"noopener\">CSS<\/a> (62%).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus, SQL is a standard language that many businesses use to manage their data. Even Facebook has run MySQL, one of the most widely used SQL databases, at enormous scale \u2014 Meta\u2019s engineering team documented <a href=\"https:\/\/engineering.fb.com\/2021\/07\/22\/core-infra\/mysql\/\" target=\"_blank\" rel=\"noopener\">migrating Facebook to MySQL 8.0<\/a> in July 2021. Since SQL is so common, learning this language can give you new job opportunities.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And no, AI hasn\u2019t made SQL obsolete. AI assistants can draft queries on demand, but someone still has to check that query against the real schema, debug it when it returns the wrong rows, and catch the DELETE that would hit the wrong table. In <a href=\"https:\/\/stackoverflow.co\/company\/press\/archive\/stack-overflow-2025-developer-survey\/\" target=\"_blank\" rel=\"noopener\">Stack Overflow\u2019s 2025 Developer Survey<\/a>, 45% of developers said debugging AI-generated code is time-consuming. SQL literacy is what makes AI-generated SQL safe to use: the skill has shifted from writing every query by hand to verifying the ones you didn\u2019t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As a data scientist or analyst, you\u2019ll have to extract, analyze, and interpret data. Without needing to download data into a spreadsheet, you can use SQL to directly access and analyze the information in a database.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some additional jobs that may require SQL:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Back-end development<\/b>: create, update, and delete data on the back end of a website.<\/li>\n\n\n\n<li><b>Digital marketing<\/b>: use SQL queries to find actionable insights about business processes.<\/li>\n\n\n\n<li><b>Accounting<\/b>: retrieve and analyze a business\u2019s financial data.<\/li>\n\n\n\n<li><b>Database administration<\/b>: manage databases with SQL and database software.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Even though SQL can seem complicated at first, it is an easy programming language to learn. Its syntax is made up of common English words, so you can quickly understand the purpose of each query or command. Look back at the earlier example: SELECT * FROM users WHERE state = &#8216;Washington&#8217; reads almost exactly like the English instruction it replaces. How long does it take? Expect a few hours to a few days for the query basics (Codecademy\u2019s beginner Learn SQL course averages about 5 hours across 4 lessons and 5 hands-on projects) and weeks to months of regular practice before SQL feels automatic on the job. The timeline depends far more on how many real queries you write than on which course you choose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chances are you deal with data on a daily basis. Using SQL, you can access and interpret information on your website or business. Then, you can perform data analysis to solve problems and understand your audience.<\/p>\n\n\n\n<h2 id=\"h-a-beginner-s-sql-syllabus\" class=\"wp-block-heading\"><b>A beginner\u2019s SQL syllabus: what to learn, in what order<\/b><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL concepts stack on top of each other, so the order you learn them in matters more than the resource you pick. Whatever course or tutorial you choose, work through the concepts in this sequence:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><b>Databases and tables<\/b>: what a relational database is, and how tables, rows, columns, primary keys, and data types fit together.<\/li>\n\n\n\n<li><b>SELECT and filtering<\/b>: retrieve data with SELECT, narrow it down with WHERE, and sort it with ORDER BY. This stage alone covers most everyday queries.<\/li>\n\n\n\n<li><b>Joins<\/b>: combine data from multiple tables with inner and outer joins, the skill that separates beginners from working SQL users.<\/li>\n\n\n\n<li><b>Aggregates and grouping<\/b>: summarize data with functions like COUNT, SUM, and AVG, then slice the results with GROUP BY and HAVING.<\/li>\n\n\n\n<li><b>Subqueries and window functions<\/b>: nest queries inside queries, combine result sets with UNION, then use window functions for jobs like ranking rows or calculating running totals.<\/li>\n\n\n\n<li><b>Data modification<\/b>: add, change, and remove data with INSERT, UPDATE, and DELETE. These are the commands that change what\u2019s stored, so learn to run them carefully (and back up first).<\/li>\n\n\n\n<li><b>Schema management<\/b>: create and alter your own tables, define primary and foreign keys, and graduate from querying databases to designing them.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Stages 1 and 2 are where every beginner resource below starts. Stages 3 and 4 are the ones worth over-practicing. Stages 5 through 7 can wait until the first four feel automatic.<\/p>\n\n\n\n<h2 id=\"h-whats-the-best-way-to-learn-sql-5-methods\" class=\"wp-block-heading\"><b>What\u2019s the best way to learn SQL? (5 methods)<\/b><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Short answer: start with a YouTube tutorial if you want to write your first query today, work through a free interactive course for the most thorough free grounding, and add a paid course with a certificate of completion only if you want proof of training on your resume. Whichever you pick, pair it with hands-on practice, and let an AI assistant speed you through the confusing parts. Here\u2019s how to get the most out of each method.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-find-a-youtube-tutorial\"><b>1. Find a YouTube tutorial<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re looking to learn SQL as fast as possible, YouTube is a great place to start. Rather than completing a lengthy course, you can find a tutorial that simplifies the language into its core concepts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, the <a href=\"https:\/\/www.youtube.com\/watch?v=h0nxCDiD-zg\" target=\"_blank\" rel=\"noopener\">SQL Tutorial for Beginners<\/a> will teach you how to retrieve data from a database:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"788\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1024x788.jpg\" alt=\"Learn SQL for beginners course on YouTube\" class=\"wp-image-36125 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1024x788.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-300x231.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-768x591.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1536x1181.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-600x461.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1200x923.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-730x561.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1460x1123.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-784x603.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1568x1206.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-877x675.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial-1754x1349.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-for-beginners-youtube-tutorial.jpg.webp 1828w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/788;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">In this 45-minute video, you\u2019ll learn the basics of SQL, databases, and Relational Database Management Systems. The creator will walk you through installing Microsoft SQL Server and SQL Server Management Studio. Using these free tools, you can familiarize yourself with tables, primary keys, data types, and more.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can also find free courses that dive into more complex SQL topics. If you want to learn about queries, Learnit Training provides a nearly 3-hour video called <a href=\"https:\/\/www.youtube.com\/watch?v=AFY3z4FwRg0\" target=\"_blank\" rel=\"noopener\">SQL Querying for Beginners<\/a>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"790\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1024x790.jpg\" alt=\"Learnit Training SQL Querying Tutorial\" class=\"wp-image-36126 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1024x790.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-300x231.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-768x592.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1536x1184.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-600x463.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1200x925.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-730x563.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1460x1126.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-784x605.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1568x1209.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-877x676.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial-1754x1352.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-querying-for-beginners-youtube-tutorial.jpg.webp 1826w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/790;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">This video starts by explaining some basic SQL terminology and its main uses. It then shows you how to perform an SQL query. By the end of the video, you\u2019ll be able to use criteria conditions, retrieve data from multiple tables, and organize and export the query results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before watching a video, we recommend checking its publishing date and view count. You\u2019ll want to make sure its information is still relevant. You can also review its comments to see if other users found the tutorial helpful.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-take-a-free-course\"><b>2. Take a free course<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some people prefer structured courses. Fortunately, there are many e-learning materials that focus on the fundamentals. By completing untimed modules, you can become an SQL developer at your own pace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One of the <a href=\"https:\/\/www.dreamhost.com\/blog\/best-online-resources-learn-to-code\/\" target=\"_blank\" rel=\"noopener\">best platforms to learn coding skills<\/a> is Codecademy. After you create an account, you can look for beginner courses such as <a href=\"https:\/\/www.codecademy.com\/learn\/learn-sql\" target=\"_blank\" rel=\"noopener\">Learn SQL<\/a>. This course will teach you how to use SQL to communicate with relational databases:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"420\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacacademy-learn-sql-course-1024x420.jpg\" alt=\"Codecademy Learn SQL course\" class=\"wp-image-36120 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacacademy-learn-sql-course-1024x420.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacacademy-learn-sql-course-300x123.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacacademy-learn-sql-course-768x315.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacacademy-learn-sql-course-1536x629.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-600x246.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-1200x492.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-730x299.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-1460x598.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-784x321.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-1568x642.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-877x359.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course-1754x719.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacacademy-learn-sql-course.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/420;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">In each module, you\u2019ll be able to enter commands, run queries, and use functions to perform database operations:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"703\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacademy-learn-sql-1024x703.jpg\" alt=\"Codecademy course module\" class=\"wp-image-36121 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacademy-learn-sql-1024x703.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacademy-learn-sql-300x206.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacademy-learn-sql-768x527.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/codeacademy-learn-sql-1536x1055.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-600x412.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-1200x824.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-730x501.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-1460x1003.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-784x538.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-1568x1077.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-877x602.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql-1754x1205.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/codeacademy-learn-sql.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/703;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">If you like educational videos, Khan Academy\u2019s <a href=\"https:\/\/www.khanacademy.org\/computing\/computer-programming\/sql\" target=\"_blank\" rel=\"noopener\">Intro to SQL<\/a> course may be the right course for you. It teaches you the basics of making queries and modifying databases with instructional videos:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"596\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-learn-sql-course-1024x596.jpg\" alt=\"Khan Academy SQL course\" class=\"wp-image-36122 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-learn-sql-course-1024x596.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-learn-sql-course-300x175.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-learn-sql-course-768x447.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-learn-sql-course-1536x894.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-600x349.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-1200x699.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-730x425.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-1460x850.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-784x457.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-1568x913.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-877x511.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course-1754x1021.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-learn-sql-course.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/596;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">During the course, you can watch code being written in real time. You\u2019ll also be able to copy it from the video:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"647\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-sql-course-module-1024x647.jpg\" alt=\"Khan Academy course module\" class=\"wp-image-36123 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-sql-course-module-1024x647.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-sql-course-module-300x190.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-sql-course-module-768x486.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/khan-academy-sql-course-module-1536x971.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-600x379.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-1200x759.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-730x462.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-1460x923.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-784x496.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-1568x991.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-877x555.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module-1754x1109.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/khan-academy-sql-course-module.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/647;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">For a more in-depth explanation of SQL, you can complete the <a href=\"https:\/\/www.w3schools.com\/sql\/default.asp\" target=\"_blank\" rel=\"noopener\">SQL Tutorial<\/a> on W3Schools. This shows you how to write SQL statements with proper syntax, as well as more complex tasks like creating and altering a database:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"752\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-syntax-1024x752.jpg\" alt=\"W3Schools SQL tutorial\" class=\"wp-image-36129 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-syntax-1024x752.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-syntax-300x220.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-syntax-768x564.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-syntax-1536x1128.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-600x441.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-1200x881.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-730x536.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-1460x1072.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-784x576.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-1568x1151.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-877x644.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax-1754x1288.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-syntax.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/752;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Once you learn about these processes, you can test your new knowledge with practice exercises:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"762\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-exercise-1024x762.jpg\" alt=\"W3Schools SQL exercise\" class=\"wp-image-36128 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-exercise-1024x762.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-exercise-300x223.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-exercise-768x571.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/w3schools-learn-sql-exercise-1536x1143.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-600x446.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-1200x893.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-730x543.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-1460x1086.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-784x583.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-1568x1166.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-877x652.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise-1754x1305.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/w3schools-learn-sql-exercise.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/762;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">As you can see, there\u2019s no shortage of online courses you can take to learn SQL. All you need to do is find the one that suits your needs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-earn-a-certification\"><b>3. Earn a course certificate<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In most cases, you won\u2019t need a college degree to work with SQL. However, you might want something concrete on your resume. A certificate of completion is proof that you finished structured training \u2014 not a professional credential, and no guarantee of an interview \u2014 but it gives a hiring manager evidence that you\u2019ve put in the hours. One more step before you apply: most SQL interviews include a live technical screen, so practice writing joins and aggregations on the spot with common SQL interview questions (Codecademy publishes a free set alongside its course).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fortunately, you can easily earn an SQL course certificate online. One thing to check before you commit: some free courses charge for the paper. Codecademy\u2019s free Learn SQL course, for instance, only issues its certificate of completion on its paid Plus or Pro tiers \u2014 the lessons themselves stay free, so you only pay if you want the certificate. Coursera\u2019s <a href=\"https:\/\/www.coursera.org\/learn\/intro-sql\" target=\"_blank\" rel=\"noopener\">Introduction to Structured Query Language<\/a> teaches you how to create a MySQL database. Complete the course, and you\u2019ll earn a shareable certificate of completion to add to your LinkedIn profile:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"468\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1024x468.jpg\" alt=\"Coursera SQL course\" class=\"wp-image-36124 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1024x468.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-certification-coursera-free-enrollment-300x137.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-certification-coursera-free-enrollment-768x351.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1536x702.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-600x274.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1200x548.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-730x333.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1460x667.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-784x358.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1568x716.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-877x401.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment-1754x801.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/learn-sql-certification-coursera-free-enrollment.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/468;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Keep in mind that Coursera lists this course as intermediate level, with some related experience required. It\u2019s the second course in the <a href=\"https:\/\/www.coursera.org\/specializations\/web-applications\" target=\"_blank\" rel=\"noopener\">Web Applications for Everybody Specialization<\/a>. To get up to speed, you\u2019ll have to first take the <a href=\"https:\/\/www.coursera.org\/learn\/web-applications-php\" target=\"_blank\" rel=\"noopener\">Building Web Applications in PHP<\/a> course. If you\u2019re already familiar with PHP, HTML, and CSS, feel free to sign up for the SQL lessons.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another option is to purchase a paid course on Udemy. In the <a href=\"https:\/\/www.udemy.com\/course\/the-complete-sql-bootcamp\/\" target=\"_blank\" rel=\"noopener\">Complete SQL Bootcamp<\/a>, you\u2019ll learn about analyzing data, creating tables and databases, and more:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"469\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/udemy-learn-sql-course-1024x469.jpg\" alt=\"Udemy SQL course\" class=\"wp-image-36127 lazyload\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/udemy-learn-sql-course-1024x469.jpg 1024w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/udemy-learn-sql-course-300x137.jpg 300w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/udemy-learn-sql-course-768x352.jpg 768w, https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2022\/08\/udemy-learn-sql-course-1536x703.jpg 1536w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-600x275.jpg.webp 600w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-1200x549.jpg.webp 1200w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-730x334.jpg.webp 730w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-1460x668.jpg.webp 1460w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-784x359.jpg.webp 784w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-1568x718.jpg.webp 1568w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-877x401.jpg.webp 877w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course-1754x803.jpg.webp 1754w, https:\/\/www.dreamhost.com\/blog\/wp-content\/smush-webp\/2022\/08\/udemy-learn-sql-course.jpg.webp 1999w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/469;\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">This Udemy course teaches SQL using PostgreSQL. Since the core syntax carries over to other SQL databases, the skills you build transfer well beyond the course itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-practice-with-hands-on-exercises\"><b>4. Practice with hands-on exercises<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Watching tutorials teaches you to recognize SQL. Writing queries teaches you to use it. The gap between the two is where most learners stall, so treat hands-on practice as its own method, not an afterthought.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You don\u2019t need to install anything to start: the free courses above double as practice environments. W3Schools pairs its lessons with in-browser exercises, Codecademy has you run real queries inside every module, and Khan Academy lets you copy and tinker with the instructor\u2019s code. Then finish each study session by writing a few queries from scratch: pose a question in plain English (\u201cwhich customers ordered more than twice?\u201d) and translate it into SQL yourself. That last step is the one no video can do for you.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When the in-browser exercises start feeling easy, graduate from the sandbox. Install a free database on your own machine (SQLite needs no server setup; MySQL and PostgreSQL are free downloads), then load a public sample database such as Sakila, MySQL\u2019s official sample, and practice realistic multi-table queries against it. Working through tables you didn\u2019t design is the closest thing to on-the-job SQL you can get for free.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-use-an-ai-assistant-as-your-sql-tutor\"><b>5. Use an AI assistant as your SQL tutor<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Today\u2019s SQL learners have a tutor earlier generations didn\u2019t. AI assistants like ChatGPT, Claude, and Gemini can explain a confusing query in plain English, generate practice problems with sample data, quiz you on the syllabus above, and tell you why your join returned triple the rows you expected. This is now a mainstream way to learn: per <a href=\"https:\/\/stackoverflow.co\/company\/press\/archive\/stack-overflow-2025-developer-survey\/\" target=\"_blank\" rel=\"noopener\">Stack Overflow\u2019s 2025 Developer Survey<\/a>, 44% of developers learning to code used AI tools, up from 37% in 2024.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One firm rule: read every AI-generated query before you run it, and never point one at data you care about until you understand what it does. In the same survey, 46% of developers said they don\u2019t trust the accuracy of AI output, and a wayward UPDATE or DELETE has no undo button. Use the assistant to explain and drill you; don\u2019t paste its answers blindly.<\/p>\n\n\n\n<h2 id=\"h-learning-sql-faqs\" class=\"wp-block-heading\"><b>Learning SQL FAQs<\/b><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-long-does-it-take-to-learn-sql\"><b>How long does it take to learn SQL?<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A few hours to a few days for query basics (Codecademy\u2019s beginner Learn SQL course averages about 5 hours) and weeks to months of regular practice to get job-ready. How many real queries you write matters more than which course you pick.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-i-learn-sql-for-free\"><b>Can I learn SQL for free?<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Codecademy, Khan Academy, and W3Schools all offer free beginner SQL courses, and full-length YouTube tutorials cost nothing. You generally only pay for a paid course, like Coursera\u2019s or Udemy\u2019s, or for the certificate tier on an otherwise free course.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-do-i-need-coding-experience-to-learn-sql\"><b>Do I need coding experience to learn SQL?<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No, not for the basics. SQL syntax is built from common English words like SELECT, FROM, and WHERE, and the free beginner resources in this guide assume zero programming background. The exception is Coursera\u2019s intermediate-level course, which expects prior web-development experience.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-sql-still-worth-learning\"><b>Is SQL still worth learning?<\/b><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Per Stack Overflow\u2019s 2025 Developer Survey, 59% of developers use SQL, and AI assistants make SQL literacy more valuable, not less: you need it to verify and debug AI-generated queries before trusting them with your data.<\/p>\n\n\n\n<h2 id=\"h-start-managing-your-database-with-sql\" class=\"wp-block-heading\"><b>Start managing your database with SQL<\/b><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you own a WordPress website, your data is stored in a MySQL or MariaDB database. When you learn the SQL query language, you can instruct WordPress on how to deal with this data. Your own site is also the best practice database you\u2019ll ever get, as long as you treat it carefully: back up the database before you experiment, practice against a staging copy rather than the live site, and stick to read-only SELECT queries (in a tool like phpMyAdmin) until you\u2019re confident enough for write operations like UPDATE or DELETE. And if your SQL will ever run behind a web form, learn the basics of SQL injection and parameterized (prepared) statements before wiring any query to user input \u2014 the W3Schools tutorial covers both. Plus, SQL skills can also help you get high-paying jobs in data science, marketing, and development. Once the basics stick, pair SQL with a skill that matches your goal: Python or another scripting language for data analysis, spreadsheets and BI tools for reporting, or database design if you\u2019re headed toward back-end development.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To review, here are some simple ways that you can start learning SQL:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Find a YouTube tutorial from creators like <a href=\"https:\/\/www.youtube.com\/watch?v=h0nxCDiD-zg\" target=\"_blank\" rel=\"noopener\">Kevin Stratvert<\/a> or <a href=\"https:\/\/www.youtube.com\/watch?v=AFY3z4FwRg0\" target=\"_blank\" rel=\"noopener\">Learnit Training<\/a>.<\/li>\n\n\n\n<li>Take a free course on <a href=\"https:\/\/www.codecademy.com\/learn\/learn-sql\" target=\"_blank\" rel=\"noopener\">Codecademy<\/a>, <a href=\"https:\/\/www.khanacademy.org\/computing\/computer-programming\/sql\" target=\"_blank\" rel=\"noopener\">Khan Academy<\/a>, or <a href=\"https:\/\/www.w3schools.com\/sql\/default.asp\" target=\"_blank\" rel=\"noopener\">W3Schools<\/a>.<\/li>\n\n\n\n<li>Earn a course certificate from <a href=\"https:\/\/www.coursera.org\/learn\/intro-sql\" target=\"_blank\" rel=\"noopener\">Coursera<\/a>, or take a paid course on <a href=\"https:\/\/www.udemy.com\/course\/the-complete-sql-bootcamp\/\" target=\"_blank\" rel=\"noopener\">Udemy<\/a>.<\/li>\n\n\n\n<li>Practice with hands-on exercises until you can write queries from scratch.<\/li>\n\n\n\n<li>Use an AI assistant to explain concepts, generate practice problems, and debug your queries.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Once you learn the SQL basics, you\u2019ll likely want to create a new MySQL database. With a DreamHost <a href=\"https:\/\/www.dreamhost.com\/hosting\/web-hosting\/\" target=\"_blank\" rel=\"noopener\">web hosting plan<\/a>, you can create MySQL databases and put your new query skills to work on a site of your own.<\/p>\n\n\n\n\n\n<div\n\tclass=\"article-cta-shared article-cta-small\"\n>\n    <div class=\"tr-img-wrap-outer jsLoading\"><img decoding=\"async\" class=\"js-img-lazy \" src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/lazy-loading-transparent.webp\" data-srcset=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/article-small-ad-cta-placeholder.webp 1x, https:\/\/www.dreamhost.com\/blog\/wp-content\/themes\/blog2018\/assets\/img\/article-small-ad-cta-placeholder-x2.webp 2x\"  alt=\"Ad background image\" \/><\/div>\n\n\n\n\n  <div class=\"content-btm\">\n    <h2\n      class=\"h2--md\"\n    >\n      Power Your Website with DreamHost\n    <\/h2>\n    <p\n      class=\"p--md\"\n    >\n      Host your website with tools built for speed, security, and reliable performance.\n    <\/p>\n\n            <a\n            href=\"https:\/\/www.dreamhost.com\/hosting\/web-hosting\/\"\n                        class=\"btn btn--white-outline btn--sm btn--round\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Choose Your Plan                    <\/a>\n\n  <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The best way to learn SQL is to pick a path: a free YouTube tutorial for the fastest start, or a free interactive course from Codecademy, Khan Academy, or W3Schools for a structured foundation. Both routes assume zero coding experience and cost nothing. Paid courses from Coursera and Udemy add depth, and Coursera issues a [&hellip;]<\/p>\n","protected":false},"author":1058,"featured_media":86873,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_opengraph-title":"Best Way to Learn SQL: Free Courses & Tutorials - DreamHost","_yoast_wpseo_opengraph-description":"Best way to learn SQL: start free with YouTube or Codecademy, then level up with Coursera or Udemy for a certificate.","_yoast_wpseo_twitter-title":"Best Way to Learn SQL: Free Courses & Tutorials - DreamHost","_yoast_wpseo_twitter-description":"Best way to learn SQL: start free with YouTube or Codecademy, then level up with Coursera or Udemy for a certificate.","toc_headlines":"[[\"h-an-introduction-to-sql\",\"An introduction to SQL\"],[\"h-why-you-might-want-to-learn-sql\",\"Why you might want to learn SQL\"],[\"h-a-beginner-s-sql-syllabus\",\"A beginner\u2019s SQL syllabus: what to learn, in what order\"],[\"h-whats-the-best-way-to-learn-sql-5-methods\",\"What\u2019s the best way to learn SQL? (5 methods)\"],[\"h-learning-sql-faqs\",\"Learning SQL FAQs\"],[\"h-start-managing-your-database-with-sql\",\"Start managing your database with SQL\"]]","hide_toc":false,"show_updated_at":"1","footnotes":""},"categories":[550],"tags":[],"class_list":["post-36116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Best Way to Learn SQL: Free Courses &amp; Tutorials - DreamHost<\/title>\n<meta name=\"description\" content=\"Best way to learn SQL: start free with YouTube or Codecademy, then level up with Coursera or Udemy for a certificate.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dreamhost.com\/blog\/learn-sql\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Best Way to Learn SQL: Free Courses &amp; 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