
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.

Mockaroo
Universal Data Generator
Mocki
Generate Data
MockDataGenerator
Smock-it is a powerful CLI tool designed to simplify test data generation for Salesforce. A lightweight alternative to Mokraoo, it helps developers and QAs quickly generate, manage, and customize data for seamless testing and streamlined workflows.

Which is more popular?
Based on our record, sqlize.online seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sqlize.online | concret.io |
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| Company | — | 2024 |
| Listed in |
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No description of sqlize.online yet.
Smock-it(also known as Smockit) is a tool for generating test data for Salesforce quickly and accurately through an easy-to-use command-line interface. Built by Concret.io, it goes beyond traditional tools and can be an alternative to tools like Mockaroo, Mocki, Snowfakery, and GenRocket for...
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Simple way to run SQL and test it in different DB versions.
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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 / 7 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 / 9 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
Tracking Smock-it since Apr 2025.
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