
CodeSignal
HackerRank
Codility
LeetCode
HackerEarth
Coderbyte
DevSkiller
iMocha
SQLBolt
SQLZOO
The Odin Project
SQL School
LiveEdu.tv
Codecademy
Platzi
DB Browser for SQLite
CodeSignal
SQLBoltSQLBolt 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 should be more popular than CodeSignal. It has been mentiond 124 times since March 2021. 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.
Mention tools like Slack, Zoom, GitHub Highlight remote work experience or team collaboration Link to your portfolio and GitHub Prepare for video interviews and live coding sessions (HackerRank, CodeSignal, etc.). - Source: dev.to / about 1 year ago
When I started, I programmed many different things in different languages. Then, I found a job as a Junior Java Developer and solved tasks on CodeSignal every day. - Source: dev.to / over 1 year ago
Platforms like HackerRank and CodeSignal host challenges that not only hone your skills but also can put you on the radar of tech companies looking for talent. - Source: dev.to / over 2 years ago
Regularly engaging with problem-solving and algorithm challenges on platforms such as LeetCode, HackerRank, or CodeSignal can significantly sharpen this ability. - Source: dev.to / over 2 years ago
Coding Challenges: Platforms like Project Euler or CodeSignal offer a variety of problems that encourage logical thinking and algorithmic problem-solving. - Source: dev.to / over 2 years ago
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
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
SQLZOO - SQLZoo includes tutorials and reference to support people learning SQL. It features:
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
SQL School - Data analysts training data analysts