5 Free SQL Courses for Data Scientists in 2025

By Arzoo Yadav Published: 13 Jan, 2025 Image: Pinterest [{ "selector": ".augmm-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-40.5px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

SQL is an important skill for Data Scientists

Image: Pinterest Check out the top 5 free SQL certification courses to start today. [{ "selector": ".ikqmz-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".qfnmk-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".kawck-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(-69.5px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

Why SQL is Important for Data Scientists?

Image: Pinterest It is a must-have skill for every data scientist to work with data efficiently. It enables data extraction, cleaning, and analysis. [{ "selector": ".kroxb-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 29px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".xwpor-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".genob-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-91.5px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

Introduction to SQL

Image: Pinterest A beginner-friendly 4 weeks free SQL course offered by Davidson College via Edx. You can access the free version. [{ "selector": ".qgrex-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".usdbr-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".ejppp-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-62px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

Oracle SQL Exam Prep

Image: Pinterest Offered by Coursera, it is a 3 weeks online SQL course for beginners. You can learn from basic queries to advanced techniques. [{ "selector": ".rbgpk-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".qejln-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".skget-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-75.5px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

SQL Fundamentals

Image: Pinterest Learn how to query and analyse large datasets by a free SQL course offered by Accenture via FutureSkills. [{ "selector": ".uotsn-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".psfec-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".lbnks-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-65px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

SQL Triggers for Beginners

Image: Pinterest Great Learning offers a free SQL course for beginners. You can learn SQL triggers from scratch and practice with real data. [{ "selector": ".mccfp-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".wmeog-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".mdpiq-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-76px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

My SQL Basics

Image: Pinterest It is a self-paced, beginner-friendly course on Great Learning that helps you learn SQL from the basic. [{ "selector": ".ddpzs-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".fqkue-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".upmkl-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-66px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]

How to Choose Right SQL Course

Image: Pinterest Ensure the course covers both basic and advanced-level concepts that match your goals and skill level. [{ "selector": ".cernq-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".dftmt-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px)) scale(0.15)", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0px) scale(1)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".dsndo-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(-83px)", "opacity": "1", "visibility" :"visible" }, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }] Know More