SQLBolt
SQLZOO
The Odin Project
SQL School
LiveEdu.tv
Codecademy
Platzi
DB Browser for SQLite
StrataScratch
LeetCode
DataLemur
Datacamp
HackerRank
Codecademy
QueryCase
DataDriven.io
SQLBolt StrataScratchNo features have been listed yet.
SQLBolt is recommended for beginners who are new to SQL or those with limited experience who need a refresher on basic concepts. It is also useful for anyone who prefers learning through interactive and practical exercises rather than purely theoretical content.
Based on our record, SQLBolt seems to be a lot more popular than StrataScratch. While we know about 124 links to SQLBolt, we've tracked only 4 mentions of StrataScratch. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I hope this helps you with interview prep as it does to me. I find https://sqlbolt.com/ super helpful if you want to learn SQL queries in depth. Thanks! - Source: dev.to / 5 months ago
SQLBolt - Introduction to SQL - Browser-based interactive tutorial with progressive lessons and immediate practice exercises, offering a quick and practical way to learn SQL fundamentals directly in your browser without setup, though it lacks formal certification and may not cover advanced database administration topics. - Source: dev.to / 8 months ago
To overcome these challenges, I relied on SQL documentation, online tutorials, and practice sites like DataLemur and SQLBolt. These resources were invaluable in helping me build confidence and refine my skills. - Source: dev.to / 8 months ago
SQLBolt focuses exclusively on giving you hands-on practice with increasingly complex queries. The platform starts with simple SELECT statements and progressively moves to complex joins and subqueries. You'll get immediate visual feedback while the site explains concepts briefly before each practice section. - Source: dev.to / about 1 year ago
SQLBolt - Great for learning SQL using problem solving approach by answering various quizzes after each topic. - Source: dev.to / over 1 year ago
StrataScratch is focused on providing data analysis/science resources needed to land a job and resources for the first few years of your career. It has 600+ coding questions from real interviews where you can use SQL, python, or R. It has 500+ questions about ML theory, product sense, probability, statistics, also from real interviews. There are data projects that come from take home assignments companies give... Source: about 3 years ago
I learned off of Mode Analytics SQL tutorial. It's free and I use it as a reference when I forget syntax. From there, my learning style is to grind on practical questions that I would get as a data analyst. So I would recommend stratascratch because all their questions are from real data science interviews which not only test for syntax but edge cases and business logic. Other platforms basically only test for... Source: about 3 years ago
There was a comment here about using Leetcode, Hackerrank, SQL fiddle, etc to keep learning SQL. However, if you're aim is to go into data analytics you need to go beyond learning syntax and understand edge cases and business context. You should grind on some data analytics/data science focused platforms like stratascratch and interviewquery. They have hundreds of questions with many free ones for your to practice. Source: about 3 years ago
If you want some practice interview questions, check out DataLemur and/or StrataScratch. They helped me immensely in preparing for technical interviews. Source: about 3 years ago
SQLZOO - SQLZoo includes tutorials and reference to support people learning SQL. It features:
LeetCode - Practice and level up your development skills and prepare for technical interviews.
The Odin Project - How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
DataLemur - Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
SQL School - Data analysts training data analysts
Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.
