sqlsmith

SQLSmith is a fuzz testing tool for PostgreSQL that automatically generates random SQL queries to uncover bugs in the query planner and executor. It is widely used by PostgreSQL developers and database vendors to stress-test SQL features and engine behavior under edge-case conditions. SQLSmith helps improve database robustness by revealing unexpected failures.

Features

Random SQL query generation for PostgreSQL
Stress-tests the query planner, parser, and executor
Helps identify crashes, assertion failures, and performance bugs
Supports different SQL constructs and PostgreSQL features
Highly configurable query complexity and structure
Used for regression testing in PostgreSQL development

Project Samples

Project Activity

See All Activity >

License

GNU General Public License version 3.0 (GPLv3)

Follow sqlsmith

sqlsmith Web Site

Other Useful Business Software

Securely stream and govern industrial data to power intelligent operations with agentic insights.

For IoT Developers, Solution Architects, Technical Architects, CTOs, OT/IT Engineers

Trusted MQTT Platform — Fully-managed and cloud-native MQTT platform for bi-directional IoT data movement.

Learn More

Rate This Project

User Reviews

Be the first to post a review of sqlsmith!

Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

C++

Related Categories

C++ SQL Clients

Registered

2025-06-12

Similar Business Software

DbVisualizer

DbVisualizer is a universal database client for developers, DBAs, analysts, and data engineers working with relational and NoSQL databases. It provides a graphical interface for database development, SQL querying, data exploration, and database admin. The tool includes a powerful SQL editor...

See Software
KS DB Merge Tools

KS DB Merge Tools is an easy to use diff & merge tool for MySQL, MariaDB, Oracle Database, SQL Server, PostgreSQL, SQLite, MS Access and Cross-DBMS databases allowing to compare and sync both schema and data. Starting with a schema changes summary, results can be narrowed down to object lists of...

See Software
DBeaver Community

DBeaver Community is a free, open-source database management tool recommended for personal projects. Manage and explore SQL databases like MySQL, MariaDB, PostgreSQL, SQLite, Apache Family, and more. Connect to popular SQL databases (PostgreSQL, MySQL, SQL Server, Oracle, SQLite, etc.) SQL...

See Software
dbForge Edge

dbForge Edge is the newest Devart product - the multidatabase software solution covers all database-related jobs, allowing its users to accelerate the tasks' completion, save costs, and improve overall productivity. A set of powerful features applies to all most popular database management...

See Software
DbSchema

DbSchema is for visual designing the schema in a team, deploy and document the schema. Other integrated features like data explorer, visual query editor, data generator, etc., makes DbSchema an every-day tool for everybody who interacts with databases. DbSchema supports all relational and No-SQL...

See Software
TablePlus

Modern, native client with intuitive GUI tools to create, access, query & edit multiple databases: MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Amazon Redshift, MariaDB, CockroachDB, Vertica, Cassandra, Snowflake, Oracle, Redis.

See Software