# BuzzHouse: Bridging the database fuzzing gap for testing ClickHouse

DevFeed: [BuzzHouse: Bridging the database fuzzing gap for testing ClickHouse](<https://devfeed.tech/articles/buzzhouse-bridging-the-database-fuzzing-gap-for-testing-clickhouse-5019.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/buzzhouse-bridging-the-database-fuzzing-gap-for-testing-clickhouse>)

Author: Pedro Ferreira

Published: 2025-01-21T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [Developer Tools](<https://devfeed.tech/topics/developer-tools.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>)

Tags: [bugs](<https://devfeed.tech/tags/bugs.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [database](<https://devfeed.tech/tags/database.md>), [databases](<https://devfeed.tech/tags/databases.md>), [fuzzing](<https://devfeed.tech/tags/fuzzing.md>), [software-testing](<https://devfeed.tech/tags/software-testing.md>), [sql](<https://devfeed.tech/tags/sql.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

The article introduces BuzzHouse, a ClickHouse fuzzer designed to generate complex, correct SQL queries and close gaps in database testing. It explains fuzz testing, why database fuzzing is difficult, and how fuzzing can uncover bugs, crashes, and vulnerabilities.

## Source excerpt

Discover how Pedro, our QA expert, built BuzzHouse--a fuzzer that's closed critical gaps and found over 100 issues in ClickHouse.