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

SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | dataconstruct.io | extendsclass.com |
| Company | — | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


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


Overall verdict
Why this product is good
Recommended for
No analysis of ExtendsClass SQL Online yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DataConstruct and ExtendsClass SQL Online. For example, how are they different and which one is better?
When comparing DataConstruct and ExtendsClass SQL Online, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to DataConstruct or ExtendsClass SQL Online:

A tool for easy online testing and sharing of database problems and their solutions.
Compare SQL Fiddle to DataConstruct or ExtendsClass SQL Online:

Generate and manage synthetic datasets easily with DUMMY DATABASE
Compare DUMMY DATABASE to DataConstruct or ExtendsClass SQL Online:

An online tool for testing, sharing and collaborating on SQL snippets
Compare DB Fiddle to DataConstruct or ExtendsClass SQL Online:

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.
Compare DemoDataWorks to DataConstruct or ExtendsClass SQL Online:

Free Online SQL Editor
Compare Online SQL Editor to DataConstruct or ExtendsClass SQL Online: