SQLZOO
SQLBolt
Egghead
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ExamTray
HackerRank
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iMocha
HackerEarth
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SQLZOOHackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Based on our record, HackerRank should be more popular than SQLZOO. It has been mentiond 67 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.
Https://sqlzoo.net/ is one of my faves. Source: almost 5 years ago
Sql Zoo https://sqlzoo.net is great. Starts with really basic queries and gradually moves to more advanced queries and joins. There are tests for each section to help internalize it. Source: almost 5 years ago
Check out sites like https://sqlzoo.net and try out the basics of SQL. And if that grabs your attention head over to youtube or udemy and take some courses. Source: almost 5 years ago
Sqlbolt.com and sqlzoo.net are both fun, fast, and free. Source: almost 5 years ago
What is a good tutorial that can explain everything to me from the start that you have used yourself?There are lots of great tutorials out there, some mentioned already in this post. https://sqlzoo.net was what I started with years ago. If you'd like to start from the beginning, avoiding lectures and instead focusing on exercises, I would suggest https://sixweeksql.com since it targets MS SQL specifically and will... Source: almost 5 years ago
This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other peopleโs solutions. - Source: dev.to / 12 months ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: over 2 years ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: over 2 years ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: almost 3 years ago
SQLBolt - SQLBolt provides a set of interactive lessons and exercises to help you learn SQL
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Egghead - Learn the best JavaScript tools and frameworks from industry pros. Video tutorials for badass web developers.
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, weโve taught over 45 million people using a tested curriculum and an interactive learning environment.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.