
phpize.online
SQL Fiddle
DB Fiddle
Online SQL Editor
db<>fiddle
Rextester
SQLZOO
SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing SQL code.

HackerRank
CodeSignal
iMocha
TestGorilla
HackerEarth
mettl
HireVue
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Which is more popular?
Based on our record, sqlize.online should be more popular than Codility. It has been mentioned 5 times since March 2021.
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In their own words, as submitted to SaaSHub.


No description of sqlize.online yet.
The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
What each product offers, as listed by its team.


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An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
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Share your experience with using sqlize.online and Codility. For example, how are they different and which one is better?
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Simple way to run SQL and test it in different DB versions.
Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
Recommendations tracked on public social media and blogs since March 2021.


If you want to experiment with ROWS, RANGE, and GROUPS directly, sqlize.online is the easiest place to test queries quickly. If you want a more structured way to study SQL through lessons and practice, I publish that work on sqltest.online. - Source: dev.to / 8 months ago
Elements into fully functional SQL editors. Powered by the SQLize.online engine, it allows users to write and execute SQL against real database instances without leaving your page. Key Features 20+ Database Engines:... - Source: dev.to / 10 months ago
Just replace 'start_date' and 'end_date' with your desired start and end dates and try it on SQLize.online. - Source: dev.to / about 3 years ago
- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
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