Dummy Database is built to solve a simple, yet annoying problem โ generating realistic test datasets quickly, without writing scripts or juggling Excel files.
Itโs designed for: - Developers needing dummy databases for prototyping & testing. - Analysts and BI specialists preparing demo dashboards. - QA engineers creating data scenarios for testing. - SQL learners who want practice datasets on demand.
What makes it special? - Create from simple tables to full relational databases with PK/FK. - 35+ data types including Numbers, Dates, Names, Booleans, etc. - Unique Event Sequences โ simulate user actions and workflows. - Advanced data controls โ outliers, nulls, repeats, distributions. - ERD visualization to map relationships. - Built-in PostgreSQL editor to query generated data. - Export as CSV, XLSX, SQL DDL, or full ZIP. - Free up to 10,000 records per table for registered users โ no paywalls or limits.
A startup from Novi Sad, Serbia that is founded by Igor Bobritskii.
Relations Datasets Generation
Automatically create realistic, interlinked datasets that preserve relational integrity between tables โ perfect for simulating multi-table databases for testing, analytics, and demos.
Sequence of Events
Define and generate realistic event chains with time dependencies, probabilities, and conditional paths โ ideal for modeling user journeys, workflows, or process mining scenarios.
Built-in SQL Editor
Instantly query, filter, and transform generated datasets without leaving the platform โ no need for external tools or database setup.
A free, all-in-one data generation platform that builds everything from simple tables to full relational databases with advanced controls, unique event sequences, ERD visualization, built-in SQL querying, and multiple export formats โ no limits, no paywalls.
Unlike other data generators, DUMMY DATABASE gives you full relational database creation, unique event simulations, advanced control over every field, built-in SQL querying, and generous free limits โ so you can go from idea to test-ready data without restrictions, subscriptions, or hidden fees
Began as a project for myself to be able to have custom datasets for testing purpose I've decided that it could be useful for wider audience and finalized it as a full-stack web project
Python, Flask, HTML, CSS, Bootstrap, Redis, PostgreSQL, JavaScript
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