
Mockaroo
Random Data
DDL to Data
MockTurtle.net
JSON Generator
dbForge Data Generator for MySQL
Dummy File Generator
GenerateData.com: free, GNU-licensed, random custom data generator for testing software
dbForge Schema Compare for PostgreSQL
SchemaSmith
SchemaCrawler
Flyway
Liquibase
Redgate Deploy
Redgate SQL Data Compare
Easily see diagrams, schema information & data.

Which is more popular?
Based on our record, Generate Data seems to be more popular. It has been mentioned 14 times since March 2021.
Website, pricing, platforms and company facts side by side.
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SQL
SQL Schema Explorer
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|---|---|---|
| Website | generatedata.com | timabell.github.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Generate Data yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Generate Data Science/Data Analysis Report of your DataSet in 5 Minutes
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Generate Data and SQL Schema Explorer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

When you're learning SQL or testing queries, having access to realistic mock data is essential. Tools like Mockaroo and GenerateData can quickly create large datasets that you can upload into your database. You can define custom fields... - Source: dev.to / over 1 year ago
Since you will almost certainly need data to work on, I recommend generatedata.com. Source: over 3 years ago
Like this one I just found randomly. https://generatedata.com/. Source: over 3 years ago
Tracking SQL Schema Explorer since Mar 2026.
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Turn SQL schemas into realistic test data in seconds. Perfect for testing, demos, and development.
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Free database schema discovery and comprehension tool
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