
SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

Mockaroo
DUMMY DATABASE
DemoDataWorks
Fake Data
Datamade
Generate Data
Conektto
We fake it till you make it!

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | extendsclass.com | dataconstruct.io |
| Company | 2022 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
No description of DataConstruct yet.
An editorial look at what each product does well and who it suits.


No analysis of ExtendsClass SQL Online yet.
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Share your experience with using ExtendsClass SQL Online and DataConstruct. For example, how are they different and which one is better?
When comparing ExtendsClass SQL Online and DataConstruct, you can also consider the following products.

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A realistic data generator to test your app
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An online tool for testing, sharing and collaborating on SQL snippets
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Generate and manage synthetic datasets easily with DUMMY DATABASE
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Free Online SQL Editor
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Ready-made synthetic industry databases and Power BI dashboards for analytics, SQL practice, BI demos, training, and consulting — across 10 industries, plus a generator for custom scale and variations.
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